World Health Organization. (2003). Guidelines for the management of sexually transmitted infections. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections. Geneva, Switzerland: World Health Organization, 2003.
Цитирование MLA (9-е изд.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections. World Health Organization, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.