APA引文

Soremekun, O., & Onwuka, R. I. (2014). Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University.

Chicago Style (17th ed.) Citation

Soremekun, Olukayode, and R. I. Onwuka. Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University, 2014.

MLA引文

Soremekun, Olukayode, and R. I. Onwuka. Nigerian Petroleum Policy and External Relations. Obafemi Awolowo University, 2014.

警告：這些引文格式不一定是100％准確.