Cita APA

Hammer, M. J., & Hammer, M. J. (2001). Water and wastewater technology (4th ed.). Upper Saddle River, N.J.: Prentice Hall.

Chicago Style Citation

Hammer, Mark J., i Mark J. Hammer. Water and Wastewater Technology. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 2001.

Cita MLA

Hammer, Mark J., i Mark J. Hammer. Water and Wastewater Technology. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 2001.