Παραπομπή APA

Asein, J. O. (2003). Nigerian copyright: Law and practice. Nigerian copyright commission.

Παραπομπή Chicago Style

Asein, John O. Nigerian Copyright: Law and Practice. Abuja: Nigerian copyright commission, 2003.

Παραπομπή MLA

Asein, John O. Nigerian Copyright: Law and Practice. Nigerian copyright commission, 2003.