Darwin, C. (1850). The Origin of species by means of natural selection: Or The preservation of favored races in the struggle for life. W. B. Conkey.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDarwin, Charles. The Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life. Chicago: W. B. Conkey, 1850.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDarwin, Charles. The Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life. W. B. Conkey, 1850.
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