Owoyemi, M. Y. (2005). The encounter of Christianity with traditional African IBO religion: A study Chinua Achebe's "Things fall apart". Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Owoyemi, Musa Yusuf. The Encounter of Christianity with Traditional African IBO Religion: A Study Chinua Achebe's "Things Fall Apart". Gombak, Selangor Darul Ehsan: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Owoyemi, Musa Yusuf. The Encounter of Christianity with Traditional African IBO Religion: A Study Chinua Achebe's "Things Fall Apart". Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2005.