Não informado. (2003). Education of the Visually Handicapped. Association for Education of the Visually Handicapped.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Education of the Visually Handicapped. Philadelphia, Pa: Association for Education of the Visually Handicapped, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Education of the Visually Handicapped. Association for Education of the Visually Handicapped, 2003.
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