Não informado. (1917). Journal of Dairy Science. American Dairy Science Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Dairy Science. Champaign, Ill: American Dairy Science Association, 1917.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Dairy Science. American Dairy Science Association, 1917.
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