(1980). International classification of impairments, disabilities, and Handicaps. World health organization.
Chicago-Zitierstil (17. Ausg.)International Classification of Impairments, Disabilities, and Handicaps. Ginebra: World health organization, 1980.
MLA-Zitierstil (9. Ausg.)International Classification of Impairments, Disabilities, and Handicaps. World health organization, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.