Citazione Stile APA (7a Edizione)

(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.