Não informado. (1940). American Journal of Veterinary Research. American Veterinary Medical Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Journal of Veterinary Research. Chicago, Ill: American Veterinary Medical Association, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Journal of Veterinary Research. American Veterinary Medical Association, 1940.
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