World Health Organization. (1980). International classification of impairments, disabilities, and handicaps: A manual of classification relating to the consequences of disease. WHO.
Citazione stile Chigago Style (17a edizione)World Health Organization. International Classification of Impairments, Disabilities, and Handicaps: A Manual of Classification Relating to the Consequences of Disease. Geneva: WHO, 1980.
Citatione MLA (9a ed.)World Health Organization. International Classification of Impairments, Disabilities, and Handicaps: A Manual of Classification Relating to the Consequences of Disease. WHO, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.