Não informado. (1968). Teaching exceptional children. Council for Exceptional Children.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Teaching Exceptional Children. Reston, Va: Council for Exceptional Children, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Teaching Exceptional Children. Council for Exceptional Children, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.