Darwin, C. (2004). Descent of man, and selection in relation to sex. Penguin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDarwin, Charles. Descent of Man, and Selection in Relation to Sex. Penguin Books, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDarwin, Charles. Descent of Man, and Selection in Relation to Sex. Penguin Books, 2004.
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