توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Nel, J. A. (1954). A critical study of the development, breeding and care of the Neudam Karakul stud. Published by the S.W.A. Karakul Advisory Industry Board in conjunction with the S.W.A. Scientific Society.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Nel, Jacobus Andreas. A Critical Study of the Development, Breeding and Care of the Neudam Karakul Stud. Windhoek: Published by the S.W.A. Karakul Advisory Industry Board in conjunction with the S.W.A. Scientific Society, 1954.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Nel, Jacobus Andreas. A Critical Study of the Development, Breeding and Care of the Neudam Karakul Stud. Published by the S.W.A. Karakul Advisory Industry Board in conjunction with the S.W.A. Scientific Society, 1954.