Central Statistical Agency, Ethiopia. "Table 2.2 Percentage Distribution of Major Ethnic Groups: 2007"(PDF). Summary and Statistical Report of the 2007 Population and Housing Census Results. United Nations Population Fund. p. 16. Archived from the original(PDF) on 25 March 2009. Retrieved 29 October 2014.
doi.org
Aalen, Lovise (2006). "Ethnic Federalism and Self-Determination for Nationalities in a Semi-Authoritarian State: the Case of Ethiopia". International Journal on Minority and Group Rights. 13 (2): 243–261. doi:10.1163/157181106777909849. ISSN1385-4879.
Central Statistical Agency, Ethiopia. "Table 2.2 Percentage Distribution of Major Ethnic Groups: 2007"(PDF). Summary and Statistical Report of the 2007 Population and Housing Census Results. United Nations Population Fund. p. 16. Archived from the original(PDF) on 25 March 2009. Retrieved 29 October 2014.
Aalen, Lovise (2006). "Ethnic Federalism and Self-Determination for Nationalities in a Semi-Authoritarian State: the Case of Ethiopia". International Journal on Minority and Group Rights. 13 (2): 243–261. doi:10.1163/157181106777909849. ISSN1385-4879.