Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.