World Health Organization. (1997). Guidelines for drinking - water quality: Surveillance and control of community supplies. World Health Organization.
Chicago Style (17th ed.) CitationWorld 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:這些引文格式不一定是100%准確.