Edwards, S. B. (2019). The evolution of mammals. Essential Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEdwards, Sue Bradford. The Evolution of Mammals. Minneapolis, Minnesota: Essential Library, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEdwards, Sue Bradford. The Evolution of Mammals. Essential Library, 2019.
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