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