Não informado. (1911). Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Department of Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Pretoria, Africa do Sul: Department of Agriculture, 1911.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Department of Agriculture, 1911.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.