APA (7 वां संस्करण) प्रशस्ति पत्र
Chepaitis, B. (2010). Feathers of hope: Pete Dubacher, the Berkshire Bird Paradise, and the human connection with birds. Excelsior Editions/State University of New York Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Chepaitis, Barbara. Feathers of Hope: Pete Dubacher, the Berkshire Bird Paradise, and the Human Connection with Birds. Albany, N.Y.: Excelsior Editions/State University of New York Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Chepaitis, Barbara. Feathers of Hope: Pete Dubacher, the Berkshire Bird Paradise, and the Human Connection with Birds. Excelsior Editions/State University of New York Press, 2010.
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