Engel, B. (2005). Breaking the cycle of abuse: How to move beyond your past to create an abuse-free future. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEngel, Beverly. Breaking the Cycle of Abuse: How to Move Beyond Your Past to Create an Abuse-free Future. Hoboken, N.J.: John Wiley & Sons, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEngel, Beverly. Breaking the Cycle of Abuse: How to Move Beyond Your Past to Create an Abuse-free Future. John Wiley & Sons, 2005.
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