APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Norris, K., & Pain, D. J. (2002). Conserving bird biodiversity: General principles and their application. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Ken Norris, और Deborah J. Pain. Conserving Bird Biodiversity: General Principles and Their Application. Cambridge, U.K. ; New York: Cambridge University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Conserving Bird Biodiversity: General Principles and Their Application. Cambridge University Press, 2002.
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