Ibn Usman, M. A. (2010). Students' perceptions on the quality of services delivered by educational administrators at the Institute of Education (INSTED), IIUM. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ibn Usman, Muhammad Awwal. Students' Perceptions on the Quality of Services Delivered by Educational Administrators at the Institute of Education (INSTED), IIUM. Gombak, Selangor: Institute of Education, International Islamic University Malaysia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ibn Usman, Muhammad Awwal. Students' Perceptions on the Quality of Services Delivered by Educational Administrators at the Institute of Education (INSTED), IIUM. Institute of Education, International Islamic University Malaysia, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.