World Health Organization. (2011). Guidelines for drinking-water quality (4th.). World Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Guidelines for Drinking-water Quality. 4th. Geneva, Switzerland: World Health Organization, 2011.
Style de citation MLA (8e éd.)World Health Organization. Guidelines for Drinking-water Quality. 4th. World Health Organization, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.