Cole, M. C., & Cole, F. (1940). The story of primitive man: His earliest appearance and development. University of Knowledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCole, Mabel Cook, और Fay-Cooper Cole. The Story of Primitive Man: His Earliest Appearance and Development. Chicago: University of Knowledge, 1940.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCole, Mabel Cook, और Fay-Cooper Cole. The Story of Primitive Man: His Earliest Appearance and Development. University of Knowledge, 1940.
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