World Health Organization. (1993). Guidelines for drinking - water quality: Recommendations. World Health Organization.
Style de citation Chicago (17e éd.)World Health Organization. Guidelines for Drinking - Water Quality: Recommendations. Geneva: World Health Organization, 1993.
Style de citation MLA (8e éd.)World Health Organization. Guidelines for Drinking - Water Quality: Recommendations. World Health Organization, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.