Dyfyniad APA

(1988). WHO Psichiatric Disability Assessment Schedule (WHO/DAS). World Health Organization.

Dyfyniad Arddull Chicago

WHO Psichiatric Disability Assessment Schedule (WHO/DAS). Ginebra: World Health Organization, 1988.

Dyfyniad MLA

WHO Psichiatric Disability Assessment Schedule (WHO/DAS). World Health Organization, 1988.

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