APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.