Não informado. (1940). American Journal of Veterinary Research. American Veterinary Medical Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. American Journal of Veterinary Research. Chicago, Ill: American Veterinary Medical Association, 1940.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. American Journal of Veterinary Research. American Veterinary Medical Association, 1940.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.