Omoregbe, J. I. African Philosophy. Yesterday ans Today: Joseph I. Omoregbe. African philosophy : an anthology.(1998).
Lua i Stíl Chicago (17ú heag.)Omoregbe, Joseph I. "African Philosophy. Yesterday Ans Today: Joseph I. Omoregbe." African Philosophy : An Anthology.(1998) .
Lua MLA (8ú heag.)Omoregbe, Joseph I. "African Philosophy. Yesterday Ans Today: Joseph I. Omoregbe." African Philosophy : An Anthology.(1998), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.