Não informado. (1975). Philippine Journal of Veterinary and Animal Sciences. Philippine Society of Animal Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Philippine Journal of Veterinary and Animal Sciences. Laguna, Filipinas: Philippine Society of Animal Sciences, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Philippine Journal of Veterinary and Animal Sciences. Philippine Society of Animal Sciences, 1975.
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