Não informado. (2009). Compendium: Continuing Education for Veterinarians. Veterinary Learning Systems.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Compendium: Continuing Education for Veterinarians. Yardley, Pa: Veterinary Learning Systems, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Compendium: Continuing Education for Veterinarians. Veterinary Learning Systems, 2009.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.