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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.
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