Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Education at a glance. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Education at a Glance. Paris: Organisation for Economic Co-operation and Development, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Education at a Glance. Organisation for Economic Co-operation and Development, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.