Dyfyniad APA

World Health Organization. (2001). Mental health: New understanding, new hope. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Mental Health: New Understanding, New Hope. Geneva, Switzerland: World Health Organization, 2001.

Dyfyniad MLA

World Health Organization. Mental Health: New Understanding, New Hope. World Health Organization, 2001.

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