APA aipamena

Engel, B. (2001). The power of apology: Healing steps to transform all your relationships. New York: J. Wiley.

Chicago Style aipamena

Engel, Beverly. The Power of Apology: Healing Steps to Transform All Your Relationships. New York: J. Wiley, 2001.

MLA aipamena

Engel, Beverly. The Power of Apology: Healing Steps to Transform All Your Relationships. New York: J. Wiley, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.