World Health Organization. (1999). The role of public policy in prevention and control of sexually transmitted infections. World Health Organization.
Чикаго стиль цитування (17-те видання)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. Geneva, Switzerland: World Health Organization, 1999.
Стиль цитування MLA (8-ме видання)World Health Organization. The Role of Public Policy in Prevention and Control of Sexually Transmitted Infections. World Health Organization, 1999.
Попередження: стилі цитування не завжди правильні на всі 100%.