The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- C. P. Groves and C. Smeenk. 2007. The nomenclature of the African wild ass. Zoologische Mededelingen Leiden 81(6):121-135
- Groves, Colin, and Peter Grubb. 2011. Ungulate Taxonomy. ix + 317
- Wilson, Don E., and DeeAnn M. Reeder, eds. 2005. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. 2000