Kolstoe, O. P. (1976). Teaching educable mentally retarded children (2d ed.). Holt, Rinehart and Winston.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolstoe, Oliver P. Teaching Educable Mentally Retarded Children. 2d ed. New York: Holt, Rinehart and Winston, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKolstoe, Oliver P. Teaching Educable Mentally Retarded Children. 2d ed. Holt, Rinehart and Winston, 1976.
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