Não informado. Report of the Ontario Veterinary College. Department of Agriculture.
Chicago-referens (17:e uppl.)Não informado. Report of the Ontario Veterinary College. Guelph, Canada: Department of Agriculture.
MLA-referens (8:e uppl.)Não informado. Report of the Ontario Veterinary College. Department of Agriculture.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.