KALU, D. N. (2004). Agony of a Nigerian scientist. Barioz Publishers.
Cita Chicago (17th ed.)KALU, Dike N. Agony of a Nigerian Scientist. Barioz Publishers, 2004.
Cita MLA (9th ed.)KALU, Dike N. Agony of a Nigerian Scientist. Barioz Publishers, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.