World Health Organization. (2009). Report of the twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. WHO.
芝加哥风格引文World Health Organization. Report of the Twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. Geneva: WHO, 2009.
MLA引文World Health Organization. Report of the Twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. WHO, 2009.
警告：这些引文格式不一定是100％准确.