Dyfyniad APA

Regional institute of english. (2006). English For Engineers. Foundation Book.

Dyfyniad Arddull Chicago

Regional institute of english. English For Engineers. New Delhi: Foundation Book, 2006.

Dyfyniad MLA

Regional institute of english. English For Engineers. Foundation Book, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.