Coleman, W. (1977). Biology in the nineteenth century: Problems of farm, function, and transformation. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColeman, William. Biology in the Nineteenth Century: Problems of Farm, Function, and Transformation. Cambridge University Press, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रColeman, William. Biology in the Nineteenth Century: Problems of Farm, Function, and Transformation. Cambridge University Press, 1977.
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