APA
(2007). Basics of Enviromental Science and Engineering. New Delhi: New India Publishing Agency.
Chicago
2007. Basics of Enviromental Science and Engineering. New Delhi: New India Publishing Agency.
Harvard
(2007). Basics of Enviromental Science and Engineering. New Delhi: New India Publishing Agency.
MLA
Basics of Enviromental Science and Engineering. New Delhi: New India Publishing Agency. 2007.