Não informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
Chicago-referens (17:e uppl.)Não informado. Report on the Animal Health Services in Great Britain. London: Ministry of Agriculture, Fisheries and Food.
MLA-referens (8:e uppl.)Não informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.