African Policy Information Center of the African-American Institute (1975). "African Update: Monitoring economic and political developments around the Continent". Africa Report. 20: 19. ProQuest1304052113. {{cite journal}}: |last= has generic name (help)
Dickie, John; Rake, Alan (1973). Who's who in Africa; the political, military and business leaders of Africa. London: African Development. ISBN978-0-9502755-0-5. OCLC815829.