Al-Dossary, S., & Tymms, P. (2001). Predicting success in higher education: Predictive validity, attainment at school level and its relationship to degree class. University of Durham.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Dossary, Saeed, و Peter Tymms. Predicting Success in Higher Education: Predictive Validity, Attainment at School Level and Its Relationship to Degree Class. Durham: University of Durham, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Dossary, Saeed, و Peter Tymms. Predicting Success in Higher Education: Predictive Validity, Attainment at School Level and Its Relationship to Degree Class. University of Durham, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.