Dyfyniad APA
Sharma. B.K. Industrial chemistry (15th ed.). Krishna Prakshan Media.
Dyfyniad Arddull Chicago
Sharma. B.K. Industrial Chemistry. 15th ed. New Delhi: Krishna Prakshan Media.
Dyfyniad MLA
Sharma. B.K. Industrial Chemistry. 15th ed. Krishna Prakshan Media.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.