Citazione Stile APA (7a Edizione)

World Health Organization. (1999). Sexually transmitted infections prevalence study methodology. World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. Geneva,Switzerland: World Health Organization, 1999.

Citatione MLA (8a ed.)

World Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. World Health Organization, 1999.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.