Centre for Educational Research and Innovation. (1973). Case studies of educational innovation. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Centre for Educational Research and Innovation. Case Studies of Educational Innovation. [Paris]: Organisation for Economic Co-operation and Development, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Centre for Educational Research and Innovation. Case Studies of Educational Innovation. Organisation for Economic Co-operation and Development, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.