Dyfyniad APA
Chawla, S. (2003). A Textbook of engineering chemistry (3rd ed.). Dhanpat Rai.
Dyfyniad Arddull Chicago
Chawla, Shashi. A Textbook of Engineering Chemistry. 3rd ed. Delhi: Dhanpat Rai, 2003.
Dyfyniad MLA
Chawla, Shashi. A Textbook of Engineering Chemistry. 3rd ed. Dhanpat Rai, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.