oyefusi aderoju. (2007). oil and the propensity to armed struggle in the niger delta region of nigeria. The World Bank Development Research Group.
Чикаго стиль цитування (17-те видання)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.
Стиль цитування MLA (9-ме видання)oyefusi aderoju. Oil and the Propensity to Armed Struggle in the Niger Delta Region of Nigeria. The World Bank Development Research Group, 2007.