World Health Organization & ebrary, Inc. (2010). World health statistics. World Health Organization.
芝加哥风格引文World Health Organization 与 Inc ebrary. World Health Statistics. Geneva: World Health Organization, 2010.
MLA引文World Health Organization 与 Inc ebrary. World Health Statistics. World Health Organization, 2010.
警告：这些引文格式不一定是100％准确.