Dyfyniad APA

Chopra, H. K. (2007). Engineering chemistry: A textbook. Oxford: Alpha Science International.

Dyfyniad Arddull Chicago

Chopra, Harish Kumar. Engineering Chemistry: A Textbook. Oxford: Alpha Science International, 2007.

Dyfyniad MLA

Chopra, Harish Kumar. Engineering Chemistry: A Textbook. Oxford: Alpha Science International, 2007.

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