World Health Organization. (2011). Global tuberculosis control 2011. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Global Tuberculosis Control 2011. Geneva, Switzerland: World Health Organization, 2011.
Citatione MLA (8a ed.)World Health Organization. Global Tuberculosis Control 2011. World Health Organization, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.