Não informado. (2004). Exceptional Child Education Abstracts. Council for Exceptional Children.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Exceptional Child Education Abstracts. Reston, Va: Council for Exceptional Children, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Exceptional Child Education Abstracts. Council for Exceptional Children, 2004.
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