Não informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Report on the Animal Health Services in Great Britain. London: Ministry of Agriculture, Fisheries and Food.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.