Não informado. (1999). Advances in veterinary science and comparative medicine. Academic Press.
Chicago-referens (17:e uppl.)Não informado. Advances in Veterinary Science and Comparative Medicine. San Diego, Calif: Academic Press, 1999.
MLA-referens (8:e uppl.)Não informado. Advances in Veterinary Science and Comparative Medicine. Academic Press, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.