Fensterheim, H., & Baer, J. L. (1975). Don't say yes when you want to say no: How assertiveness training can change your life. McKay.
Citação norma ChicagoFensterheim, Herbert, and Jean L. Baer. Don't Say Yes When You Want to Say No: How Assertiveness Training Can Change Your Life. New York: McKay, 1975.
Citação norma MLAFensterheim, Herbert, and Jean L. Baer. Don't Say Yes When You Want to Say No: How Assertiveness Training Can Change Your Life. McKay, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.