APA (7e ed.) Bronvermelding

Segun, M. D., & Layiwola, D. (1987). Institute of African Studies (25th ed.). University of Ibadan.

Chicago (17e ed.) Bronvermelding

Segun, Mabel D., en Dele Layiwola. Institute of African Studies. 25th ed. [Ibadan, Nigeria: University of Ibadan, 1987.

MLA (9e ed.) Bronvermelding

Segun, Mabel D., en Dele Layiwola. Institute of African Studies. 25th ed. University of Ibadan, 1987.