Ansell, W. F. H. 1972. Order Artiodactyla. Part 15. Pp. 1–84, in The mammals of Africa: An identification manual (J. Meester and H. W. Setzer, eds.) [issued 2 May 1972]. Smithsonian Institution Press, Washington, D.C., not continuously paginated. (quoted in Grubb, P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore, MD: Johns Hopkins University Press. ISBN0-8018-8221-4. OCLC62265494.)
Pidancier, Nathalie; Jordan, Steve; Luikart, Gordon; Taberlet, Pierre (2006). "Evolutionary history of the genus Capra (Mammalia, Artiodactyla): Discordance between mitochondrial DNA and Y-chromosome phylogenies". Molecular Phylogenetics and Evolution. 40 (3): 739–749. Bibcode:2006MolPE..40..739P. doi:10.1016/j.ympev.2006.04.002. PMID16757184.
Pidancier, Nathalie; Jordan, Steve; Luikart, Gordon; Taberlet, Pierre (2006). "Evolutionary history of the genus Capra (Mammalia, Artiodactyla): Discordance between mitochondrial DNA and Y-chromosome phylogenies". Molecular Phylogenetics and Evolution. 40 (3): 739–749. Bibcode:2006MolPE..40..739P. doi:10.1016/j.ympev.2006.04.002. PMID16757184.
Pidancier, Nathalie; Jordan, Steve; Luikart, Gordon; Taberlet, Pierre (2006). "Evolutionary history of the genus Capra (Mammalia, Artiodactyla): Discordance between mitochondrial DNA and Y-chromosome phylogenies". Molecular Phylogenetics and Evolution. 40 (3): 739–749. Bibcode:2006MolPE..40..739P. doi:10.1016/j.ympev.2006.04.002. PMID16757184.
Mendelssohn, Heinrich; Yom-Tov, Yoram (1999). Mammalia of Israel. Fauna Palaestina. Jerusalem: Israel Academy of Sciences and Humanities. ISBN978-965-208-145-2.
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Ansell, W. F. H. 1972. Order Artiodactyla. Part 15. Pp. 1–84, in The mammals of Africa: An identification manual (J. Meester and H. W. Setzer, eds.) [issued 2 May 1972]. Smithsonian Institution Press, Washington, D.C., not continuously paginated. (quoted in Grubb, P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore, MD: Johns Hopkins University Press. ISBN0-8018-8221-4. OCLC62265494.)