Esiemokal, O. (1971). Doctoral thesis on the theme, the Organization of African Unity and the Council of Europe. Universität zu Köln.
Chicago-referens (17:e uppl.)Esiemokal, Omoh. Doctoral Thesis on the Theme, the Organization of African Unity and the Council of Europe. Germany: Universität zu Köln, 1971.
MLA-referens (8:e uppl.)Esiemokal, Omoh. Doctoral Thesis on the Theme, the Organization of African Unity and the Council of Europe. Universität zu Köln, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.