World Health Organization. (1999). The role of public policy in prevention and control of sexually transmitted infections. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. Geneva, Switzerland: World Health Organization, 1999.
Citatione MLA (8a ed.)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. World Health Organization, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.