World Health Organization. (2001). STI/ HIV: Consensus report on STI, HIV and Aids Epidemiology. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. Cambodia: World Health Organization, 2001.
Citatione MLA (8a ed.)World Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. World Health Organization, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.