APA Style

Igbokwe, D, J., Okereke, D, C, N. (2009). NATIONAL OPEN UNIVERSITY OF NIGERIA . Nigeria: National Open University of Nigeria.

MLA Style

Igbokwe, Dr., Justice., Okereke, Dr., C., Nna-Emeka. "NATIONAL OPEN UNIVERSITY OF NIGERIA". Nigeria: National Open University of Nigeria, 2009. Text.