World Health Organization. (2001). STI/ HIV: Consensus report on STI, HIV and Aids Epidemiology. World Health Organization.
Chicago-viite (17. p.)World Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. Cambodia: World Health Organization, 2001.
MLA-viite (8. p.)World Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. World Health Organization, 2001.
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