Kaushik, S. S. (1988). Parents are teachers: A study in behaviour modification of mentally subnormals. Northern Book Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKaushik, Sandhya Singh. Parents Are Teachers: A Study in Behaviour Modification of Mentally Subnormals. Northern Book Centre, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKaushik, Sandhya Singh. Parents Are Teachers: A Study in Behaviour Modification of Mentally Subnormals. Northern Book Centre, 1988.
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