Não informado. Report of the Veterinary Director General. Department of Agriculture, Health of Animals Division.
Chicago-viite (17. p.)Não informado. Report of the Veterinary Director General. Ottawa: Department of Agriculture, Health of Animals Division.
MLA-viite (8. p.)Não informado. Report of the Veterinary Director General. Department of Agriculture, Health of Animals Division.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.