Não informado. (2001). Journal of the American Animal Hospital Association. American Animal Hospital Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the American Animal Hospital Association. Lakewood, Colo: American Animal Hospital Association, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the American Animal Hospital Association. American Animal Hospital Association, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.