Não informado. (2003). Education of the Visually Handicapped. Association for Education of the Visually Handicapped.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Education of the Visually Handicapped. Philadelphia, Pa: Association for Education of the Visually Handicapped, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Education of the Visually Handicapped. Association for Education of the Visually Handicapped, 2003.
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