Cornell Lab of Ornithology. (2022). All About Birds. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCornell Lab of Ornithology. All About Birds. Princeton, NJ: Princeton University Press, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCornell Lab of Ornithology. All About Birds. Princeton University Press, 2022.
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