Broussard, V., & Richmond, W. E. (1989). Major factors which motivate the elderly to enroll in the eradication of illiteracy and adult education classes in Saudi Arabian society \. University of Southern California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Broussard, Vernon, و W. Edson Richmond. Major Factors Which Motivate the Elderly to Enroll in the Eradication of Illiteracy and Adult Education Classes in Saudi Arabian Society \. California: University of Southern California, 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Broussard, Vernon, و W. Edson Richmond. Major Factors Which Motivate the Elderly to Enroll in the Eradication of Illiteracy and Adult Education Classes in Saudi Arabian Society \. University of Southern California, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.