APA (7th ed.) Zitazioa
Njoku, G. C. (2014). Ala di mma in umuohiagu: An Igbo concept of reconciliation and peace : towards an inculturation. Peter Lang Edition.
Chicago Style (17th ed.) Zitazioa
Njoku, Gerald Chukwudi. Ala Di Mma in Umuohiagu: An Igbo Concept of Reconciliation and Peace : Towards an Inculturation. Frankfurt, Germany: Peter Lang Edition, 2014.
MLA (9th ed.) Zitazioa
Njoku, Gerald Chukwudi. Ala Di Mma in Umuohiagu: An Igbo Concept of Reconciliation and Peace : Towards an Inculturation. Peter Lang Edition, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.