(2003). Guidelines for the management of sexually transmitted infections. World Health Organization.
Citazione stile Chigago Style (17a edizione)Guidelines for the Management of Sexually Transmitted Infections. Geneva: World Health Organization, 2003.
Citatione MLA (9a ed.)Guidelines for the Management of Sexually Transmitted Infections. World Health Organization, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.