World health organization. (2008). Anti-tuberculosis drug resistance in the world: Fourth global report. WHO.
शिकागो स्टाइल उद्धरणWorld health organization. Anti-tuberculosis Drug Resistance in the World: Fourth Global Report. Geneva: WHO, 2008.
एमएलए उद्धरणWorld health organization. Anti-tuberculosis Drug Resistance in the World: Fourth Global Report. WHO, 2008.
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