Dyfyniad APA

World Health Organization. (1994). AIDS: Images of the epidemic. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. AIDS: Images of the Epidemic. Geneva: World Health Organization, 1994.

Dyfyniad MLA

World Health Organization. AIDS: Images of the Epidemic. World Health Organization, 1994.

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