Cita APA (7th ed.)
Okigbo, C. (1995). Media and sustainable development. Kenya Litho.
Cita Chicago (17th ed.)
Okigbo, Charles. Media and Sustainable Development. Nairobi: Kenya Litho, 1995.
Cita MLA (9th ed.)
Okigbo, Charles. Media and Sustainable Development. Kenya Litho, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.