Khopkar, S. M. (1993). Environmental pollution analysis. Wiley Eastern.
Chicago Style aipamenaKhopkar, S. M. Environmental Pollution Analysis. New Delhi: Wiley Eastern, 1993.
MLA aipamenaKhopkar, S. M. Environmental Pollution Analysis. Wiley Eastern, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.