Não informado. MSU Veterinarian. Michigan State University of Agriculture and Applied Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. MSU Veterinarian. East Lansing, Mich: Michigan State University of Agriculture and Applied Science.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. MSU Veterinarian. Michigan State University of Agriculture and Applied Science.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.