World Health Organization. (2002). Guidelines for the management of sexually transmitted infections in female sex workers. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. Geneva, Switzerland: World Health Organization, 2002.
Cita MLA (8a ed.)World Health Organization. Guidelines for the Management of Sexually Transmitted Infections in Female Sex Workers. World Health Organization, 2002.
Precaución: Estas citas no son 100% exactas.