World Health Organization. (2013). Systematic screening for active tuberculosis: Principles and recommendations. World Health Organization.
芝加哥风格引文World Health Organization. Systematic Screening for Active Tuberculosis: Principles and Recommendations. Geneva, Switzerland: World Health Organization, 2013.
MLA引文World Health Organization. Systematic Screening for Active Tuberculosis: Principles and Recommendations. World Health Organization, 2013.
警告：这些引文格式不一定是100％准确.