(1980). International classification of impairments, disabilities, and Handicaps.
Chicago-referens (17:e uppl.)International Classification of Impairments, Disabilities, and Handicaps. 1980.
MLA-referens (9:e uppl.)International Classification of Impairments, Disabilities, and Handicaps. 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.