Não informado. (1972). Journal of the South African Veterinary Association. South African Veterinary Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the South African Veterinary Association. Pretoria, Africa do Sul: South African Veterinary Association, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the South African Veterinary Association. South African Veterinary Association, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.