Lua APA (7ú heag.)
Njoku, R. C. (2006). African cultural values: Igbo political leadership in colonial Nigeria, 1900-1966. Routledge.
Lua i Stíl Chicago (17ú heag.)
Njoku, Raphael Chijioke. African Cultural Values: Igbo Political Leadership in Colonial Nigeria, 1900-1966. New York: Routledge, 2006.
Lua MLA (9ú heag.)
Njoku, Raphael Chijioke. African Cultural Values: Igbo Political Leadership in Colonial Nigeria, 1900-1966. Routledge, 2006.
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