(1988). WHO Psichiatric Disability Assessment Schedule (WHO/DAS). World Health Organization.
Chicago-viite (17. p.)WHO Psichiatric Disability Assessment Schedule (WHO/DAS). Ginebra: World Health Organization, 1988.
MLA-viite (9. p.)WHO Psichiatric Disability Assessment Schedule (WHO/DAS). World Health Organization, 1988.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.