Balogun, A. M. (2009). The areas and reasons for academic procrastination among postgraduate students of International Islamic University Malaysia. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Balogun, Abdul-Rahman Muhammed-Shittu. The Areas and Reasons for Academic Procrastination Among Postgraduate Students of International Islamic University Malaysia. Gombak: Institute of Education, International Islamic University Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Balogun, Abdul-Rahman Muhammed-Shittu. The Areas and Reasons for Academic Procrastination Among Postgraduate Students of International Islamic University Malaysia. Institute of Education, International Islamic University Malaysia, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.