APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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 (9th ed.) Zitazioa

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.