Strang, R. M. (1965). Understanding and helping the retarded reader. University of Arizona Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStrang, Ruth May. Understanding and Helping the Retarded Reader. Tucson: University of Arizona Press, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStrang, Ruth May. Understanding and Helping the Retarded Reader. University of Arizona Press, 1965.
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