APA aipamena

Afonja, S. (2013). The Challenge of Underdevelopment and Poverty. Obafemi Awolowo University Press.

Chicago Style aipamena

Afonja, Simi. The Challenge of Underdevelopment and Poverty. Obafemi Awolowo University Press, 2013.

MLA aipamena

Afonja, Simi. The Challenge of Underdevelopment and Poverty. Obafemi Awolowo University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.