United Nations Educational, Scientific and Cultural Organization. (1974). New trends in the utilization of eductaional technology for science education. Unesco Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United Nations Educational, Scientific and Cultural Organization. New Trends in the Utilization of Eductaional Technology for Science Education. Paris: Unesco Press, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United Nations Educational, Scientific and Cultural Organization. New Trends in the Utilization of Eductaional Technology for Science Education. Unesco Press, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.