Ayittey, G. B. (1992). Africa betrayed. St.Martin's.
Lua i Stíl Chicago (17ú heag.)Ayittey, George B.N. Africa Betrayed. New York: St.Martin's, 1992.
Lua MLA (9ú heag.)Ayittey, George B.N. Africa Betrayed. St.Martin's, 1992.
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