Al-Nassar, F. M., & Hengst, H. R. (1982). Saudi Arabian educational mission to the United States: Assessing perceptions of student satisfaction with services rendered. University of Oklahoma.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Nassar, Fahd Mohamed, و Herbert R. Hengst. Saudi Arabian Educational Mission to the United States: Assessing Perceptions of Student Satisfaction with Services Rendered. Oklahoma: University of Oklahoma, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Nassar, Fahd Mohamed, و Herbert R. Hengst. Saudi Arabian Educational Mission to the United States: Assessing Perceptions of Student Satisfaction with Services Rendered. University of Oklahoma, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.