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