(1919). Journal of institution of engineers (India): Production engineering division. Institution of engineers.
Dyfyniad Arddull ChicagoJournal of Institution of Engineers (India): Production Engineering Division. Calcutta: Institution of engineers, 1919.
Dyfyniad MLAJournal of Institution of Engineers (India): Production Engineering Division. Institution of engineers, 1919.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.