(1996). World guide to higher education: A comparative survey of systems, degress and qualifications (3rd ed.). United Nations educational, Scientific and cultural organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Guide to Higher Education: A Comparative Survey of Systems, Degress and Qualifications. 3rd ed. Paris: United Nations educational, Scientific and cultural organization, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Guide to Higher Education: A Comparative Survey of Systems, Degress and Qualifications. 3rd ed. United Nations educational, Scientific and cultural organization, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.