Udoh, E. B. (1988). Guest Christology: An interpretative view of the Christological problem in Africa. Verlag Peter Lang.
Lua i Stíl Chicago (17ú heag.)Udoh, Enyi B. Guest Christology: An Interpretative View of the Christological Problem in Africa. Frankfurt: Verlag Peter Lang, 1988.
Lua MLA (9ú heag.)Udoh, Enyi B. Guest Christology: An Interpretative View of the Christological Problem in Africa. Verlag Peter Lang, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.