Njoku, G. C. (2014). Ala di mma in umuohiagu: An Igbo concept of reconciliation and peace : towards an inculturation. Peter Lang Edition.
Lua i Stíl Chicago (17ú heag.)Njoku, Gerald Chukwudi. Ala Di Mma in Umuohiagu: An Igbo Concept of Reconciliation and Peace : Towards an Inculturation. Frankfurt, Germany: Peter Lang Edition, 2014.
Lua MLA (9ú heag.)Njoku, Gerald Chukwudi. Ala Di Mma in Umuohiagu: An Igbo Concept of Reconciliation and Peace : Towards an Inculturation. Peter Lang Edition, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.