World Health Organization. (1980). International classification of impairments, disabilities, and handicaps: A manual of classification relating to the consequences of disease. WHO.
Chicago-Zitierstil (17. Ausg.)World Health Organization. International Classification of Impairments, Disabilities, and Handicaps: A Manual of Classification Relating to the Consequences of Disease. Geneva: WHO, 1980.
MLA-Zitierstil (9. Ausg.)World Health Organization. International Classification of Impairments, Disabilities, and Handicaps: A Manual of Classification Relating to the Consequences of Disease. WHO, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.