APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Allmon, W. D., Kelley, P. H., & Ross, R. M. (2009). Stephen Jay Gould: Reflections on his view of life. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Warren D. Allmon, Patricia H. Kelley, और Robert M. Ross. Stephen Jay Gould: Reflections on His View of Life. Oxford ; New York: Oxford University Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Stephen Jay Gould: Reflections on His View of Life. Oxford University Press, 2009.
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