Madan, M., & Hull, R. E. (1975). Teaching effectiveness: Its meaning, assessment, and improvement. Educational Technology Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Madan, Mohan, و Ronald E. Hull. Teaching Effectiveness: Its Meaning, Assessment, and Improvement. Englewood Cliffs: Educational Technology Publications, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Madan, Mohan, و Ronald E. Hull. Teaching Effectiveness: Its Meaning, Assessment, and Improvement. Educational Technology Publications, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.