Não informado. (1999). Advances in veterinary science and comparative medicine. Academic Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Advances in Veterinary Science and Comparative Medicine. San Diego, Calif: Academic Press, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Advances in Veterinary Science and Comparative Medicine. Academic Press, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.