Everton boss Roberto Martinez has reiterated his reluctance to sell Marouane Fellaini and Leighton Baines to Manchester United.
The pair were the subject of a rejected double bid from the reigning Premier League champions earlier this month, with the offer subsequently described as "derisory" by Everton in a statement on the club's official website.
United manager David Moyes has since urged Martinez to "do what (is) right for the players" but, following his side's 0-0 draw with West Brom on Saturday, the Spaniard hit back at his predecessor.
"I think my comment is quite clear," he said. "If managers start talking about players that are registered in other clubs then that's the end of the whole thing.
"I think everyone should look after their own things internally. I'm sure they've got many issues in the same manner and I could easily come out and give my opinion about his players but I think I'll be more respectful than that.
"The position we've got is we don't want to sell. So then you haven't got a figure. Everyone has got a price but when you see you invest money in a player and five years later you get offered the same money after performing really well, I think that becomes a bit of a nonsense.
"The last thing I want is to get into a media war with a manager I really respect. I think the business should be done quietly but it's very unfortunate when you read papers and people talk about your players.
"I could sit down here and give you half an hour of my vision of how the other club is being run, the players that they want to go and how they should be sending all the messages to all the clubs around the world that they've been trying to sign players and they haven't been able to do it."
And, on Fellaini and Baines' performance in the draw with West Brom, Martinez added: "On the outside there's a lot of talk and speculation but as you can imagine internally we are focusing on the games.
"We need to concentrate on working hard and getting ourselves as good as we can. I never had a doubt because they are two professionals, they are two ambassadors of Everton, they have been here for a long time and they know how to perform and give everything they have."
The former Wigan Athletic manager also questioned the fairness of allowing the transfer window to overlap with the start of each new Premier League campaign, with three fixtures scheduled prior to its close on September 2.
"I've said it a few times, I think it's very unfair to play competitive games when the window is open," he continued.
"I hope the authorities will look into it because it's going to get worse. You're looking at next season we've got the World Cup final on July 13 and the first league game on August 7 - you're going to have a full month of speculation.
"Many teams will have a starting XI on August 7 and maybe five or six changes by September 2 the way it's going."
|PSG respond to raid reports|
|CAF Champions League Review: Bouazza strikes late for Etoile du Sahel|
|FFF rejects relegated Bastia´s appeal over forfeited Lyon game|
|AFC Champions League Review: Paulinho gives Guangzhou the edge as Kawasaki Frontale impress|
|Mourinho leads Man Utd on tour of Friends Arena|
|Allardyce to leave Crystal Palace and retire|
|Carvalhal to stay at Sheffield Wednesday despite play-off despair|
|I hate comparing players - Bosz uncomfortable with Dolberg-Ibrahimovic parallels|
|Athletic Bilbao announce Valverde departure amid Barcelona speculation|
|Manchester attacks resonate deeply with Ajax´s Schone|
|Kovac: Eintracht will throw everything at superior Dortmund in Pokal final|
|We have to play the Ajax way to beat Man Utd - Bosz|
|Europa League final has lost its glow after terror attack - Ajax coach Bosz|
|Barcelona links a compliment for Chelsea´s Azpilicueta|
|Bayern Munich transfer targets already decided, reveals Rummenigge|
|Metropolitan Police increase armed officer presence for Wembley, Twickenham finals|
|Koke pens bumper Atletico Madrid extension|
|Real Madrid complete swoop for Flamengo teenager Vinicius Junior|
|Mourinho looking to stay perfect in Europa League final - Ajax v Manchester United in Opta numbers|
|Koscielny banned for FA Cup final after Arsenal´s appeal rejected|
|Bielsa promises attacking football in Lille unveiling|
|Burnley release Barton following betting ban|
|Lopez seals permanent Espanyol switch|
|Gomes can be as good as Iniesta, says ex-Manchester United youth coach|
|Changes needed at Valencia, accepts new coach Marcelino|
|Roma coach Spalletti has ´ideal profile´ for Inter - Moratti|
|No games, new deal - Eduardo delighted by Chelsea stay|
|Mourinho: Manchester will pull together as one|
|I´m ready to leave, says Atletico star Griezmann|
|Terry would be missed by any club, says ex-Chelsea defender Carvalho|
|Dolberg downs Lyon & a sensational Schalke comeback - Ajax´s road to the Europa League final|
|Magic Mkhitaryan & Rashford to the rescue – Man Utd´s road to the Europa League final|
|Manchester United cancel news conference after attack|
|Arsenal must be spend more or be left behind - Seaman|
|Germany winger Sane out of Confederations Cup|
|No Costa talks for past six months, say Tianjin Quanjian|
|UEFA assures fans over Europa League final security following Manchester attack|
|Arsenal have been too nice to Ozil and Sanchez - Keown|
|Dolberg and Sanchez have superstar potential - But Ajax will not bring back glory days of 1990s|
|Europa League final the time for Pogba to start fulfilling Man Utd destiny|
|Pique wants Buffon to win Ballon d´Or|
|Tributes flow after Manchester attack|
|Milner warns signings not to disrespect Liverpool by joining for Champions League|
|Spalletti: I don´t know Totti´s future plans|
|Monaco star Mbappe: I´m at an age where I need to play|
|Play as long as you can - Terry reveals Lampard, Carragher advice|
|Mata seeks ´double bonus´ of silverware and Champions League place|
|Villar re-elected unopposed for eighth RFEF term|
|Conte scoops LMA award after glorious season with Chelsea|
|Porto boss Nuno steps down|
|AFC Champions League Review: Esteghlal prevail in ill-tempered finale, Al-Ahli draw with Al-Ahli|
|Atletico star Griezmann rates Manchester United move as six out of 10 chance|
|Mourinho making a mistake with Pogba at Man Utd - Henry|
|Cech wants Arsenal to tie down Sanchez and Ozil|
|FA asks bookmakers for information after Terry substitution|
|Gabigol apologises after ´thoughtless´ Inter walk-out|
|Juventus complete €20m Cuadrado signing|
|Kane pokes fun at critics as Murray lauds Golden Boot winner|
|Clichy: I won´t be at Manchester City next season|
|Coutinho explains why he´d snub Barcelona for Liverpool stay|
|Moyes resigns at Sunderland|
|Mainz part company with head coach Schmidt|
|Napoli would have won Serie A with Higuain - Mancini|
|LaLiga glory for Ronaldo, Pichichi for Messi - how the great rivals compared in 2016-17|
|Keisuke Honda confirms AC Milan exit|
|Neville: Now is the time for Rooney to leave Manchester United|
|Strachan omits Burke for England clash|
|Fernando Torres hopeful of ´many more years´ at Atletico Madrid|
|Luis Enrique: Barca players do not know identity of new coach|
|Angel Gomes ´honoured´ to become youngest Man Utd player since Duncan Edwards|
|Leno dreams of Real Madrid move|
|Yaya Toure wants to finish his career at Manchester City|
|Mateo Musacchio having AC Milan medical|
|Herrera not thinking about Champions League reward|
|Kroenke insists Arsenal shares not for sale|
|Juventus confirm Keita interest|
|Bakayoko rules out PSG switch|
|Yeah right, and Philipp Lahm will continue with us - Hertha laugh off Plattenhardt to Bayern claims|
|Burnley in no rush to cash in on Keane amid Manchester United and Liverpool links|
|Anderlecht confirm Tielemans set to join Monaco|
|Mertesacker revels in ´special´ Arsenal return|
|Marcelo: A lot of people didn´t want Real Madrid to win LaLiga|
|MLS Review: Villa conquers Orlando fortress, Galaxy win again|
|There is nothing to discuss – Sturridge happy at Liverpool|
|Uncapped Hrustic named in Socceroos squad|
|Merci Zizou - Ronaldo thanks Zidane for LaLiga title|
|Navas shaves head in support of cancer sufferers|
|Vecchi expects action over Gabigol walk-out|
|Isco tells Madrid fans: I´m staying!|
|WATCH: Zidane splashed with champagne as Real Madrid stars invade news conference|
|Barca not consistent enough to win LaLiga - Luis Enrique|
|The league is everything – Zidane knew he had to end Real Madrid drought|
|Ronaldo hits out at critics after firing Madrid to LaLiga glory|