Dyfyniad APA
Rao, C. (1991). Environmental pollution control and engineering. New Age International.
Dyfyniad Arddull Chicago
Rao, C.S. Environmental Pollution Control and Engineering. New Delhi: New Age International, 1991.
Dyfyniad MLA
Rao, C.S. Environmental Pollution Control and Engineering. New Age International, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.