Não informado. (1959). Advances in small animal practice. British Small Animal Veterinary Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Advances in Small Animal Practice. Oxford, Inglaterra: British Small Animal Veterinary Association, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Advances in Small Animal Practice. British Small Animal Veterinary Association, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.