Não informado. Annual Report of the Animal Health Trust. Animal Health Trust.
Chicago-referens (17:e uppl.)Não informado. Annual Report of the Animal Health Trust. London: Animal Health Trust.
MLA-referens (8:e uppl.)Não informado. Annual Report of the Animal Health Trust. Animal Health Trust.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.