World Health Organization. (1999). STI HIV: Status and trends of STI, HIV and AIDS at the end of the Millennium. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. STI HIV: Status and Trends of STI, HIV and AIDS at the End of the Millennium. Geneva, Switzerland: World Health Organization, 1999.
Цитирование MLA (8-е изд.)World Health Organization. STI HIV: Status and Trends of STI, HIV and AIDS at the End of the Millennium. World Health Organization, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.