Greene, H. W. (1997). Snakes: The Evolution of Mystery in Nature. University of California.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreene, Harry W. Snakes: The Evolution of Mystery in Nature. Berkeley: University of California, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGreene, Harry W. Snakes: The Evolution of Mystery in Nature. University of California, 1997.
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