World Health Organization. (1999). The role of public policy in prevention and control of sexually transmitted infections. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. Geneva, Switzerland: World Health Organization, 1999.
Цитирование MLA (8-е изд.)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. World Health Organization, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.