Não informado. (1972). Journal of the South African Veterinary Association. South African Veterinary Association.
Chicago-referens (17:e uppl.)Não informado. Journal of the South African Veterinary Association. Pretoria, Africa do Sul: South African Veterinary Association, 1972.
MLA-referens (8:e uppl.)Não informado. Journal of the South African Veterinary Association. South African Veterinary Association, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.