Koch, P. (2010). Water sources (4th ed.). American Water Works Association.
Style de citation Chicago (17e éd.)Koch, Paul. Water Sources. 4th ed. Denver, Colo.: American Water Works Association, 2010.
Style de citation MLA (9e éd.)Koch, Paul. Water Sources. 4th ed. American Water Works Association, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.