Epega, D. Ọ. (1938). Ona iwa si aralile: No. 2. Imole Oluwa Institute.
Lua i Stíl Chicago (17ú heag.)Epega, D. Ọnadele. Ona Iwa Si Aralile: No. 2. Nigeria: Imole Oluwa Institute, 1938.
Lua MLA (8ú heag.)Epega, D. Ọnadele. Ona Iwa Si Aralile: No. 2. Imole Oluwa Institute, 1938.
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