APA
S N Kaul, . (2004). Waste water treatment technologies and environment V.2. New Delhi: Daya publishing house.
Chicago
S N Kaul, . 2004. Waste water treatment technologies and environment V.2. New Delhi: Daya publishing house.
Harvard
S N Kaul, . (2004). Waste water treatment technologies and environment V.2. New Delhi: Daya publishing house.
MLA
S N Kaul, . Waste water treatment technologies and environment V.2. New Delhi: Daya publishing house. 2004.