World Health Organization. (2002). Guidelines for the management of sexually transmitted infections in female sex workers. World Health Organization.
Chicago-referens (17:e uppl.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. Geneva, Switzerland: World Health Organization, 2002.
MLA-referens (8:e uppl.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. World Health Organization, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.