Porter, V., & Mason, I. L. (2002). Mason’s World Dictionary of Livestock Breeds, Types and Varieties (5th ed.). Wallingford, Oxfordshire, UK: CABI Publishing.
Yılmaz, O., Wilson, R. T., Cengiz, F., & Ertuğrul, M. (2012). The Farm Animal Genetic Resources of Turkey: Sheep – ii – crossbreed and extinct genotypes/breeds. Bitlis Eren University Journal of Science and Technology, 2, 38–43. https://doi.org/10.17678/beuscitech.47138