World Health Organization. (1996). Guidelines for drinking - water quality: Health criteria and other supporting information (Second.). World Health Organization.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Guidelines for Drinking - Water Quality: Health Criteria and Other Supporting Information. Second. Geneva: World Health Organization, 1996.
MLA-Zitierstil (8. Ausg.)World Health Organization. Guidelines for Drinking - Water Quality: Health Criteria and Other Supporting Information. Second. World Health Organization, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.