UNAIDS. (2002). AIDS Epidemic Update, December 2002. World Health Organization.
Cita Chicago Style (17a ed.)UNAIDS. AIDS Epidemic Update, December 2002. Geneva: World Health Organization, 2002.
Cita MLA (8a ed.)UNAIDS. AIDS Epidemic Update, December 2002. World Health Organization, 2002.
Precaución: Estas citas no son 100% exactas.