Não informado. (2003). Education of the Visually Handicapped. Association for Education of the Visually Handicapped.
Citação do estilo Chicago (17ª ed.)Não informado. Education of the Visually Handicapped. Philadelphia, Pa: Association for Education of the Visually Handicapped, 2003.
Citação MLA (8ª ed.)Não informado. Education of the Visually Handicapped. Association for Education of the Visually Handicapped, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.