APA
Rao M. N., Datta A. K., . (2007). Waste Water Treatment. New Delhi: Oxford & IBH Publishing Co. Pvt.Ltd.
Chicago
Rao M N, Datta A K, . 2007. Waste Water Treatment. New Delhi: Oxford & IBH Publishing Co. Pvt.Ltd.
Harvard
Rao M. N., Datta A. K., . (2007). Waste Water Treatment. New Delhi: Oxford & IBH Publishing Co. Pvt.Ltd.
MLA
Rao M N, Datta A K, . Waste Water Treatment. New Delhi: Oxford & IBH Publishing Co. Pvt.Ltd. 2007.