Dyfyniad APA

World Health Organization. (2006). Preventing HIV/AIDS in Young people. World health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Preventing HIV/AIDS in Young People. Ginebra: World health Organization, 2006.

Dyfyniad MLA

World Health Organization. Preventing HIV/AIDS in Young People. World health Organization, 2006.

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