Hammer, M. J. (2008). Water and wastewater technology (6th ed.). Pearson Educational International.
Citace podle Chicago (17th ed.)Hammer, Mark J. Water and Wastewater Technology. 6th ed. Upper Saddle River, N.J: Pearson Educational International, 2008.
Citace podle MLA (9th ed.)Hammer, Mark J. Water and Wastewater Technology. 6th ed. Pearson Educational International, 2008.
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