APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.