World Health Organization. (2002). Young people and HIV/AIDS: Opportunity in crisis. World Health Organization UNICEF : UNAIDS.
Cita Chicago (17th ed.)World Health Organization. Young People and HIV/AIDS: Opportunity in Crisis. Geneva: World Health Organization UNICEF : UNAIDS, 2002.
Cita MLA (8th ed.)World Health Organization. Young People and HIV/AIDS: Opportunity in Crisis. World Health Organization UNICEF : UNAIDS, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.