World Health Organization. (1999). STI HIV: Status and trends of STI, HIV and AIDS at the end of the Millennium. World Health Organization.
Chicago (17e ed.) BronvermeldingWorld Health Organization. STI HIV: Status and Trends of STI, HIV and AIDS at the End of the Millennium. Geneva, Switzerland: World Health Organization, 1999.
MLA (8e ed.) BronvermeldingWorld Health Organization. STI HIV: Status and Trends of STI, HIV and AIDS at the End of the Millennium. World Health Organization, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.