Ogu, H. O. (1950). The return of Evelyn in a drama on how I was about marrying my sister. Obtainable at:- The Aman Press/Bookshop.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ogu, H. O. The Return of Evelyn in a Drama on How I Was About Marrying My Sister. Aba, [Abia State, Nigeria]: Obtainable at:- The Aman Press/Bookshop, 1950.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ogu, H. O. The Return of Evelyn in a Drama on How I Was About Marrying My Sister. Obtainable at:- The Aman Press/Bookshop, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.