APA (7th ed.) Zitazioa

(2018). Never get angry again: The foolproof way to stay calm and in control in any conversation or situation / David J. Lieberman, Ph.D.

Chicago Style (17th ed.) Zitazioa

Never Get Angry Again: The Foolproof Way to Stay Calm and in Control in Any Conversation or Situation / David J. Lieberman, Ph.D. 2018.

MLA (9th ed.) Zitazioa

Never Get Angry Again: The Foolproof Way to Stay Calm and in Control in Any Conversation or Situation / David J. Lieberman, Ph.D. 2018.

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