World Health Organization. (2003). Guidelines for the management of sexually transmitted infections. World Health Organization.
Citação norma ChicagoWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. Switzerland: World Health Organization, 2003.
Citação norma MLAWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. World Health Organization, 2003.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.