National Council of Educational Research and Training (India). Study Group on Supervision and Inspection. (1969). Report of the Study Group on Supervision and Inspection. National Council of Educational Research and Training.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Council of Educational Research and Training (India). Study Group on Supervision and Inspection. Report of the Study Group on Supervision and Inspection. New Delhi: National Council of Educational Research and Training, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Council of Educational Research and Training (India). Study Group on Supervision and Inspection. Report of the Study Group on Supervision and Inspection. National Council of Educational Research and Training, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.