Marzluff, J. M., & Angell, T. (2012). Gifts of the crow: How perception, emotion, and thought allow smart birds to behave like humans (1st Free Press hardcover ed.). Free Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarzluff, John M., और Tony Angell. Gifts of the Crow: How Perception, Emotion, and Thought Allow Smart Birds to Behave like Humans. 1st Free Press hardcover ed. New York: Free Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarzluff, John M., और Tony Angell. Gifts of the Crow: How Perception, Emotion, and Thought Allow Smart Birds to Behave like Humans. 1st Free Press hardcover ed. Free Press, 2012.
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