Alhammad, M. M., & Arnold, P. (1995). Comparative study of selected dropout reasons among U.S.-based Saudi students: Planning implications. Vanderbilt University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alhammad, Mubarak Muhammad, و Particia Arnold. Comparative Study of Selected Dropout Reasons Among U.S.-based Saudi Students: Planning Implications. Nashville: Vanderbilt University, 1995.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Alhammad, Mubarak Muhammad, و Particia Arnold. Comparative Study of Selected Dropout Reasons Among U.S.-based Saudi Students: Planning Implications. Vanderbilt University, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.