Cita APA (7th ed.)

Akinbobola, A. (1979). Should Nigeria be in OPEC? Nigerian Institute of International Affairs.

Cita Chicago (17th ed.)

Akinbobola, Ayo. Should Nigeria Be in OPEC? Lagos: Nigerian Institute of International Affairs, 1979.

Cita MLA (8th ed.)

Akinbobola, Ayo. Should Nigeria Be in OPEC? Nigerian Institute of International Affairs, 1979.