APA (7 वां संस्करण) प्रशस्ति पत्र
Ranft, P. (2012). The theology of Peter Damian: "let your life always serve as a witness". Catholic University of America Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ranft, Patricia. The Theology of Peter Damian: "Let Your Life Always Serve as a Witness". Washington, District of Columbia: Catholic University of America Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ranft, Patricia. The Theology of Peter Damian: "Let Your Life Always Serve as a Witness". Catholic University of America Press, 2012.
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