Cita APA (7th ed.)

Hammer, M. J. (2012). Water and wastewater technology (7th ed.). Pearson Educational International.

Cita Chicago (17th ed.)

Hammer, Mark J. Water and Wastewater Technology. 7th ed. Upper Saddle River, N.J: Pearson Educational International, 2012.

Cita MLA (9th ed.)

Hammer, Mark J. Water and Wastewater Technology. 7th ed. Pearson Educational International, 2012.