Njoku, G. C. (2014). Ala di mma in umuohiagu: An Igbo concept of reconciliation and peace : towards an inculturation. Peter Lang Edition.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)Njoku, Gerald Chukwudi. Ala Di Mma in Umuohiagu: An Igbo Concept of Reconciliation and Peace : Towards an Inculturation. Peter Lang Edition, 2014.
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