World Health Organization. (2005). Preventing chronic diseases: Vital investment. World Health Organization.
芝加哥风格引文World Health Organization. Preventing Chronic Diseases: Vital Investment. Geneva: World Health Organization, 2005.
MLA引文World Health Organization. Preventing Chronic Diseases: Vital Investment. World Health Organization, 2005.
警告：这些引文格式不一定是100％准确.