Omoregbe, J. I. African Philosophy. Yesterday ans Today: Joseph I. Omoregbe. African philosophy : an anthology.(1998).
Citazione stile Chigago Style (17a edizione)Omoregbe, Joseph I. "African Philosophy. Yesterday Ans Today: Joseph I. Omoregbe." African Philosophy : An Anthology.(1998) .
Citatione MLA (8a ed.)Omoregbe, Joseph I. "African Philosophy. Yesterday Ans Today: Joseph I. Omoregbe." African Philosophy : An Anthology.(1998), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.