World Health Organization. (2001). STI/ HIV: Consensus report on STI, HIV and Aids Epidemiology. World Health Organization.
Chicago Style aipamenaWorld Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. Cambodia: World Health Organization, 2001.
MLA aipamenaWorld Health Organization. STI/ HIV: Consensus Report on STI, HIV and Aids Epidemiology. World Health Organization, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.