Tài liệu Ngữ_tộc_Omo

  • Bender, M. Lionel. 2000. Comparative Morphology of the Omotic Languages. Munich: LINCOM.
  • Fleming, Harold. 1976. Omotic overview. In The Non-Semitic Languages of Ethiopia, ed. by M. Lionel Bender, pp. 299–323. East Lansing, MI: Michigan State University.
  • Newman, Paul. 1980. The classification of Chadic within Afroasiatic. Universitaire Pers Leiden.
  • Bender, M. L. 1975. Omotic: a new Afroasiatic language family. (University Museum Series, 3.) Carbondale, IL: Southern Illinois University.
  • Blench, Roger. 2006. Archaeology, Language, and the African Past. AltaMira Press
  • Hayward, Richard J., ed. 1990. Omotic Language Studies. London: School of Oriental and African Studies.
  • Hayward, Richard J. 2003. Omotic: the "empty quarter" of Afroasiatic linguistics. In Research in Afroasiatic Grammar II: selected papers from the fifth conference on Afroasiatic languages, Paris 2000, ed. by Jacqueline Lecarme, pp. 241–261. Amsterdam: John Benjamins.
  • Lamberti, Marcello. 1991. Cushitic and its classification.'Anthropos 86(4/6):552-561.
  • Zaborski, Andrzej. 1986. Can Omotic be reclassified as West Cushitic? In Gideon Goldenberg, ed., Ethiopian Studies: Proceedings of the 6th International Conference pp. 525–530. Rotterdam: Balkema.