Dyfyniad APA

World Health Organization. (1999). STI HIV: Status and trends of STI, HIV and AIDS at the end of the Millennium. World Health Organization.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

World Health Organization. STI HIV: Status and Trends of STI, HIV and AIDS at the End of the Millennium. World Health Organization, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.