World Health Organization. (1997). Guidelines for drinking - water quality: Surveillance and control of community supplies. World Health Organization.
芝加哥风格引文World Health Organization. Guidelines for Drinking - Water Quality: Surveillance and Control of Community Supplies. Geneva: World Health Organization, 1997.
MLA引文World Health Organization. Guidelines for Drinking - Water Quality: Surveillance and Control of Community Supplies. World Health Organization, 1997.
警告：这些引文格式不一定是100％准确.