(1980). International classification of impairments, disabilities, and Handicaps. World health organization.
Cita Chicago (17th ed.)International Classification of Impairments, Disabilities, and Handicaps. Ginebra: World health organization, 1980.
Cita MLA (9th ed.)International Classification of Impairments, Disabilities, and Handicaps. World health organization, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.