Παραπομπή σε μορφή APA (7η εκδ.)

Afonja, S. (2019). The challenge of underdevelopment and poverty. Obafemi Awolowo University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Afonja, Simi. The Challenge of Underdevelopment and Poverty. Obafemi Awolowo University Press, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Afonja, Simi. The Challenge of Underdevelopment and Poverty. Obafemi Awolowo University Press, 2019.