World health organization. (2008). Anti-tuberculosis drug resistance in the world: Fourth global report. WHO.
Chicago Edition CitationWorld health organization. Anti-tuberculosis Drug Resistance in the World: Fourth Global Report. Geneva: WHO, 2008.
Cita MLAWorld health organization. Anti-tuberculosis Drug Resistance in the World: Fourth Global Report. WHO, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.