Engel, B. (2001). The power of apology: Healing steps to transform all your relationships. New York: J. Wiley.
استشهاد بنمط شيكاغوEngel, Beverly. The Power of Apology: Healing Steps to Transform All Your Relationships. New York: J. Wiley, 2001.
MLA استشهادEngel, Beverly. The Power of Apology: Healing Steps to Transform All Your Relationships. New York: J. Wiley, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.