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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.