APA (7th ed.) Zitazioa
Ogbu, K. (1978). Christianity in West Africa: The Nigerian story. Daystar Press.
Chicago Style (17th ed.) Zitazioa
Ogbu, Kalu. Christianity in West Africa: The Nigerian Story. Ibadan, Nigeria: Daystar Press, 1978.
MLA (9th ed.) Zitazioa
Ogbu, Kalu. Christianity in West Africa: The Nigerian Story. Daystar Press, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.