World Health Organization. (2011). Global tuberculosis control 2011. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. Global Tuberculosis Control 2011. Geneva, Switzerland: World Health Organization, 2011.
Cita MLA (8th ed.)World Health Organization. Global Tuberculosis Control 2011. World Health Organization, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.