Cita APA (7th ed.)
Hammer, M. J. (2005). Water and wastewater technology (4th ed.). Prentice Hall of India.
Cita Chicago (17th ed.)
Hammer, Mark J. Water and Wastewater Technology. 4th ed. New Delhi: Prentice Hall of India, 2005.
Cita MLA (9th ed.)
Hammer, Mark J. Water and Wastewater Technology. 4th ed. Prentice Hall of India, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.