Cita APA (7th ed.)

Hammer, M. J. (2020). Water and Wastewater technology (6th.). Pearson.

Cita Chicago (17th ed.)

Hammer, Mark J. Water and Wastewater Technology. 6th. New Delhi: Pearson, 2020.

Cita MLA (9th ed.)

Hammer, Mark J. Water and Wastewater Technology. 6th. Pearson, 2020.