Não informado. (1969). Tropical animal health and production. Scottish Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Tropical Animal Health and Production. Edinburgh, Inglaterra: Scottish Academic Press, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Tropical Animal Health and Production. Scottish Academic Press, 1969.
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