Zahrani, S. A., & O'neill, W. F. (1986). A study of the effectiveness of returning Saudi Arabian graduates from American universities in the national development of Saudi Arabia. University of Southern California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zahrani, Said Aeid, و William F. O'neill. A Study of the Effectiveness of Returning Saudi Arabian Graduates from American Universities in the National Development of Saudi Arabia. California: University of Southern California, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zahrani, Said Aeid, و William F. O'neill. A Study of the Effectiveness of Returning Saudi Arabian Graduates from American Universities in the National Development of Saudi Arabia. University of Southern California, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.