Omura, G. (2006). Just enough AutoCAD 2007. Indianapolis, Ind: Wiley.
Dyfyniad Arddull ChicagoOmura, George. Just Enough AutoCAD 2007. Indianapolis, Ind: Wiley, 2006.
Dyfyniad MLAOmura, George. Just Enough AutoCAD 2007. Indianapolis, Ind: Wiley, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.