Não informado. (1975). Philippine Journal of Veterinary and Animal Sciences. Philippine Society of Animal Sciences.
Chicago-referens (17:e uppl.)Não informado. Philippine Journal of Veterinary and Animal Sciences. Laguna, Filipinas: Philippine Society of Animal Sciences, 1975.
MLA-referens (8:e uppl.)Não informado. Philippine Journal of Veterinary and Animal Sciences. Philippine Society of Animal Sciences, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.