APA
Murthy D. B. N., . (2004). Environmental awareness and protection : a basic book in environmental studies. Deep & Deep, New Delhi: .
Chicago
Murthy D B N, . 2004. Environmental awareness and protection : a basic book in environmental studies. Deep & Deep, New Delhi: .
Harvard
Murthy D. B. N., . (2004). Environmental awareness and protection : a basic book in environmental studies. Deep & Deep, New Delhi: .
MLA
Murthy D B N, . Environmental awareness and protection : a basic book in environmental studies. Deep & Deep, New Delhi: . 2004.