Esiemokal, O. (1971). Doctoral thesis on the theme, the Organization of African Unity and the Council of Europe. Universität zu Köln.
Lua i Stíl Chicago (17ú heag.)Esiemokal, Omoh. Doctoral Thesis on the Theme, the Organization of African Unity and the Council of Europe. Germany: Universität zu Köln, 1971.
Lua MLA (8ú heag.)Esiemokal, Omoh. Doctoral Thesis on the Theme, the Organization of African Unity and the Council of Europe. Universität zu Köln, 1971.
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