Citazione Stile APA (7a Edizione)

Hammer, M. J. (2008). Water and wastewater technology (6th ed.). Pearson Educational International.

Citazione stile Chigago Style (17a edizione)

Hammer, Mark J. Water and Wastewater Technology. 6th ed. Upper Saddle River, N.J: Pearson Educational International, 2008.

Citatione MLA (9a ed.)

Hammer, Mark J. Water and Wastewater Technology. 6th ed. Pearson Educational International, 2008.