APA
World Health Organization, . (1980). International classification of impairments disabilities and handicaps: a manual of classification relating to the consequences of disease. Geneva: World Health Oraganization.
Chicago
World Health Organization, . 1980. International classification of impairments disabilities and handicaps: a manual of classification relating to the consequences of disease. Geneva: World Health Oraganization.
Harvard
World Health Organization, . (1980). International classification of impairments disabilities and handicaps: a manual of classification relating to the consequences of disease. Geneva: World Health Oraganization.
MLA
World Health Organization, . International classification of impairments disabilities and handicaps: a manual of classification relating to the consequences of disease. Geneva: World Health Oraganization. 1980.