Não informado. (2003). Education of the Visually Handicapped. Association for Education of the Visually Handicapped.
Chicago-viite (17. p.)Não informado. Education of the Visually Handicapped. Philadelphia, Pa: Association for Education of the Visually Handicapped, 2003.
MLA-viite (8. p.)Não informado. Education of the Visually Handicapped. Association for Education of the Visually Handicapped, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.