World Health Organization & ebrary, Inc. (2009). Basic documents ; including amendments adopted up to 31st May 2009 (47th ed.). World Health Organization.
芝加哥风格引文World Health Organization 与 Inc ebrary. Basic Documents ; Including Amendments Adopted Up to 31st May 2009. 47th ed. Geneva: World Health Organization, 2009.
MLA引文World Health Organization 与 Inc ebrary. Basic Documents ; Including Amendments Adopted Up to 31st May 2009. 47th ed. World Health Organization, 2009.
警告：这些引文格式不一定是100％准确.