Dyfyniad APA
Khopkar, S. (2011). Environmental pollution analysis (2nd ed.). New Age International.
Dyfyniad Arddull Chicago
Khopkar, S.M. Environmental Pollution Analysis. 2nd ed. New Delhi: New Age International, 2011.
Dyfyniad MLA
Khopkar, S.M. Environmental Pollution Analysis. 2nd ed. New Age International, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.