Não informado. (1972). Journal of the South African Veterinary Association. South African Veterinary Association.
Chicago (17e ed.) BronvermeldingNão informado. Journal of the South African Veterinary Association. Pretoria, Africa do Sul: South African Veterinary Association, 1972.
MLA (8e ed.) BronvermeldingNão informado. Journal of the South African Veterinary Association. South African Veterinary Association, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.