Godfrey, L. R. (1985). What Darwin began: Modern Darwinian and non-Darwinian perspectives on evolution. Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGodfrey, Laurie R. What Darwin Began: Modern Darwinian and Non-Darwinian Perspectives on Evolution. Boston, MA: Allyn and Bacon, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGodfrey, Laurie R. What Darwin Began: Modern Darwinian and Non-Darwinian Perspectives on Evolution. Allyn and Bacon, 1985.
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