World Health Organization. (2001). Sexually transmitted infections: Briefing kit for teachers. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Sexually Transmitted Infections: Briefing Kit for Teachers. Manila, Philippines: World Health Organization, 2001.
Цитирование MLA (8-е изд.)World Health Organization. Sexually Transmitted Infections: Briefing Kit for Teachers. World Health Organization, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.