United Nations Educational Scientific and Cultural Organization. (1976). World guide to higher education: A comparative survey of systems, degrees, and qualifications. Bowker.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Educational Scientific and Cultural Organization. World Guide to Higher Education: A Comparative Survey of Systems, Degrees, and Qualifications. Epping: Bowker, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations Educational Scientific and Cultural Organization. World Guide to Higher Education: A Comparative Survey of Systems, Degrees, and Qualifications. Bowker, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.