Não informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Report on the Animal Health Services in Great Britain. London: Ministry of Agriculture, Fisheries and Food.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Report on the Animal Health Services in Great Britain. Ministry of Agriculture, Fisheries and Food.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.