Não informado. (1930). Bulletin of the Ministry of Agriculture, Fisheries and Food. Ministry of Agriculture, Fisheries and Food.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Bulletin of the Ministry of Agriculture, Fisheries and Food. London: Ministry of Agriculture, Fisheries and Food, 1930.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Bulletin of the Ministry of Agriculture, Fisheries and Food. Ministry of Agriculture, Fisheries and Food, 1930.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.