Não informado. Report of the Ontario Veterinary College. Department of Agriculture.
Chicago-viite (17. p.)Não informado. Report of the Ontario Veterinary College. Guelph, Canada: Department of Agriculture.
MLA-viite (8. p.)Não informado. Report of the Ontario Veterinary College. Department of Agriculture.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.