Παραπομπή σε μορφή APA (7η εκδ.)

edited by IKIME, O. (1980). GROUND work of Nigerian history. Heinemann Educational Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

edited by IKIME, Obaro. GROUND Work of Nigerian History. Heinemann Educational Books, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

edited by IKIME, Obaro. GROUND Work of Nigerian History. Heinemann Educational Books, 1980.