Cita APA (7th ed.)
Rao,C.S. (1991). Environmental pollution control engineering (2nd ed.). New age International.
Cita Chicago (17th ed.)
Rao,C.S. Environmental Pollution Control Engineering. 2nd ed. New Delhi: New age International, 1991.
Cita MLA (9th ed.)
Rao,C.S. Environmental Pollution Control Engineering. 2nd ed. New age International, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.