Lua APA (7ú heag.)

COOK, C., & KILLINGRAY, D. (1991). African political facts since 1945. Facts on File.

Lua i Stíl Chicago (17ú heag.)

COOK, Chris, agus David KILLINGRAY. African Political Facts Since 1945. New York: Facts on File, 1991.

Lua MLA (9ú heag.)

COOK, Chris, agus David KILLINGRAY. African Political Facts Since 1945. Facts on File, 1991.

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