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Lua i Stíl Chicago (17ú heag.)GARBA, Joe. Diplomatic Soldiering: The Conduct of Nigerian Foreign Policy ,1975-1979. Spectrum Books, 1991.
Lua MLA (9ú heag.)GARBA, Joe. Diplomatic Soldiering: The Conduct of Nigerian Foreign Policy ,1975-1979. Spectrum Books, 1991.
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