ROTIMI, O. (1974). Ovonramwen Nogbaisi: An historical tragedy in English. Ethiope Publishing Corporation.
Chicago-čujuhus (17. p.)ROTIMI, Ola. Ovonramwen Nogbaisi: An Historical Tragedy in English. Ethiope Publishing Corporation, 1974.
MLA-čujuhus (9. p.)ROTIMI, Ola. Ovonramwen Nogbaisi: An Historical Tragedy in English. Ethiope Publishing Corporation, 1974.
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