Ochieng', W. R. (1974). A pre-colonial history of the Gusii of Western Kenya from A.D 1500 to 1914. EALB.
Chicago Style (17th ed.) ZitazioaOchieng', William Robert. A Pre-colonial History of the Gusii of Western Kenya from A.D 1500 to 1914. Kampala: EALB, 1974.
MLA (9th ed.) ZitazioaOchieng', William Robert. A Pre-colonial History of the Gusii of Western Kenya from A.D 1500 to 1914. EALB, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.