World Health Organization. (1999). Guidelines for Drinking-Water Quality: Addendum to Volume 2: Health Criteria and Other Supporting Information (2nd ed.). A.I.T.B.S. Publishers & Distributors.
Cita Chicago (17th ed.)World Health Organization. Guidelines for Drinking-Water Quality: Addendum to Volume 2: Health Criteria and Other Supporting Information. 2nd ed. New Delhi: A.I.T.B.S. Publishers & Distributors, 1999.
Cita MLA (9th ed.)World Health Organization. Guidelines for Drinking-Water Quality: Addendum to Volume 2: Health Criteria and Other Supporting Information. 2nd ed. A.I.T.B.S. Publishers & Distributors, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.