APA
Hammer M. J., . (1998). Water and wastewater technology. New Delhi: Prentice Hall of India.
Chicago
Hammer Mark J, . 1998. Water and wastewater technology. New Delhi: Prentice Hall of India.
Harvard
Hammer M. J., . (1998). Water and wastewater technology. New Delhi: Prentice Hall of India.
MLA
Hammer Mark J, . Water and wastewater technology. New Delhi: Prentice Hall of India. 1998.