World Health Organization. Ageing and Life Course Unit & ebrary, Inc. (2008). WHO global report on falls prevention in older age. World Health Organization.
芝加哥风格引文World Health Organization. Ageing and Life Course Unit 与 Inc ebrary. WHO Global Report on Falls Prevention in Older Age. Geneva, Switzerland: World Health Organization, 2008.
MLA引文World Health Organization. Ageing and Life Course Unit 与 Inc ebrary. WHO Global Report on Falls Prevention in Older Age. World Health Organization, 2008.
警告：这些引文格式不一定是100％准确.