APA
Khopkar S. M., . (1993). Environmental pollution analysis. New Delhi: Wiley Eastern Limited.
Chicago
Khopkar S M, . 1993. Environmental pollution analysis. New Delhi: Wiley Eastern Limited.
Harvard
Khopkar S. M., . (1993). Environmental pollution analysis. New Delhi: Wiley Eastern Limited.
MLA
Khopkar S M, . Environmental pollution analysis. New Delhi: Wiley Eastern Limited. 1993.