Engel, B. (2005). Breaking the cycle of abuse: How to move beyond your past to create an abuse-free future. Wiley.
Chicago-Zitierstil (17. Ausg.)Engel, Beverly. Breaking the Cycle of Abuse: How to Move Beyond Your Past to Create an Abuse-free Future. Hoboken, NJ: Wiley, 2005.
MLA-Zitierstil (8. Ausg.)Engel, Beverly. Breaking the Cycle of Abuse: How to Move Beyond Your Past to Create an Abuse-free Future. Wiley, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.