Gaya APA

Organization, W, H. (1996). Guidelines for Drinking Water Quality Volome 2 : Health Criteria and Other Supporting Information (2nd ed.). Geneva: World Health Organization.

Gaya MLA

Organization, World, Health. "Guidelines for Drinking Water Quality Volome 2 : Health Criteria and Other Supporting Information". 2nd ed. Geneva: World Health Organization, 1996. print.