World Health Organization. (1999). Sexually transmitted infections prevalence study methodology. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. Geneva,Switzerland: World Health Organization, 1999.
MLA (8th ed.) CitationWorld Health Organization. Sexually Transmitted Infections Prevalence Study Methodology. World Health Organization, 1999.
Warning: These citations may not always be 100% accurate.