Umar, A. M. (2013). Migration of Nigerian postgraduate students to Malaysia: A case study of IIUM. Kulliyah of Islamic Revealed Knowledge and Human Science, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Umar, Abdullahi Mohammed. Migration of Nigerian Postgraduate Students to Malaysia: A Case Study of IIUM. Kuala Lumpur: Kulliyah of Islamic Revealed Knowledge and Human Science, International Islamic University Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Umar, Abdullahi Mohammed. Migration of Nigerian Postgraduate Students to Malaysia: A Case Study of IIUM. Kulliyah of Islamic Revealed Knowledge and Human Science, International Islamic University Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.