Dyfyniad APA

(1988). WHO Psichiatric Disability Assessment Schedule (WHO/DAS).

Dyfyniad Arddull Chicago

WHO Psichiatric Disability Assessment Schedule (WHO/DAS). 1988.

Dyfyniad MLA

WHO Psichiatric Disability Assessment Schedule (WHO/DAS). 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.