Não informado. (1971). Veterinary Pathology. American College of Veterinary Pathologists.
Chicago-referens (17:e uppl.)Não informado. Veterinary Pathology. Washington: American College of Veterinary Pathologists, 1971.
MLA-referens (8:e uppl.)Não informado. Veterinary Pathology. American College of Veterinary Pathologists, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.