Al-Otayan, T. (1988). Recommendations for decreasing the rate of dropouts at the secondary level in the Kingdom of Saudi Arabia. University of Southern California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Otayan, Turki. Recommendations for Decreasing the Rate of Dropouts at the Secondary Level in the Kingdom of Saudi Arabia. California: University of Southern California, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Otayan, Turki. Recommendations for Decreasing the Rate of Dropouts at the Secondary Level in the Kingdom of Saudi Arabia. University of Southern California, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.