Dyfyniad APA

(1920). Journal of institution of engineers (India): Chemical engineering division. Institute of chemical engineers.

Dyfyniad Arddull Chicago

Journal of Institution of Engineers (India): Chemical Engineering Division. New Delhi: Institute of chemical engineers, 1920.

Dyfyniad MLA

Journal of Institution of Engineers (India): Chemical Engineering Division. Institute of chemical engineers, 1920.

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