Dyfyniad APA

World Health Organization. (2013). Systematic screening for active tuberculosis: Principles and recommendations. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. Systematic Screening for Active Tuberculosis: Principles and Recommendations. Geneva, Switzerland: World Health Organization, 2013.

Dyfyniad MLA

World Health Organization. Systematic Screening for Active Tuberculosis: Principles and Recommendations. World Health Organization, 2013.

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