World Health Organization. (1999). The role of public policy in prevention and control of sexually transmitted infections. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. Geneva, Switzerland: World Health Organization, 1999.
ציטוט MLAWorld Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. World Health Organization, 1999.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.