Ali, A., & Norman, B. (1980). The problems encountered by Arab students with objective tests at Michigan state. Michigan State University, College of Education, Department of Counseling and Educational Physchology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ali, Aseeri, و Bill Norman. The Problems Encountered by Arab Students with Objective Tests at Michigan State. Michigan, United States of America: Michigan State University, College of Education, Department of Counseling and Educational Physchology, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ali, Aseeri, و Bill Norman. The Problems Encountered by Arab Students with Objective Tests at Michigan State. Michigan State University, College of Education, Department of Counseling and Educational Physchology, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.