Rao,C.S. (1991). Environmental pollution control engineering. Wiley Eastern.
Chicago Style aipamenaRao,C.S. Environmental Pollution Control Engineering. New Delhi: Wiley Eastern, 1991.
MLA aipamenaRao,C.S. Environmental Pollution Control Engineering. Wiley Eastern, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.