Não informado. Missouri Veterinarian. Missouri University, School of Veterinary Medicine.
Chicago-viite (17. p.)Não informado. Missouri Veterinarian. Columbia, Mo: Missouri University, School of Veterinary Medicine.
MLA-viite (8. p.)Não informado. Missouri Veterinarian. Missouri University, School of Veterinary Medicine.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.