APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Koenig, W. D., & Dickinson, J. L. (2004). Ecology and evolution of cooperative breeding in birds. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Walter D. Koenig, और Janis L. Dickinson. Ecology and Evolution of Cooperative Breeding in Birds. Cambridge ; New York: Cambridge University Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Ecology and Evolution of Cooperative Breeding in Birds. Cambridge University Press, 2004.
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