(1980). International classification of impairments, disabilities, and Handicaps. World health organization.
Citazione stile Chigago Style (17a edizione)International Classification of Impairments, Disabilities, and Handicaps. Ginebra: World health organization, 1980.
Citatione MLA (9a ed.)International Classification of Impairments, Disabilities, and Handicaps. World health organization, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.