Soremekun, O., & Onwuka, R. I. (2014). Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University.
Chicagoスタイル(17版)引用形式Soremekun, Olukayode, , R. I. Onwuka. Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University, 2014.
MLA(9版)引用形式Soremekun, Olukayode, , R. I. Onwuka. Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University, 2014.
警告: この引用は必ずしも正確ではありません.