APA način citiranja (7. izdanje)

oyefusi aderoju. (2007). oil and the propensity to armed struggle in the niger delta region of nigeria. The World Bank Development Research Group.

Čikaški stil citiranja (17. izdanje)

oyefusi aderoju. Oil and the Propensity to Armed Struggle in the Niger Delta Region of Nigeria. Washington, D.C.: The World Bank Development Research Group, 2007.

MLA način citiranja (9. izdanje)

oyefusi aderoju. Oil and the Propensity to Armed Struggle in the Niger Delta Region of Nigeria. The World Bank Development Research Group, 2007.

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