Dyfyniad APA

Leach, J. A. (2007). AutoCAD 2006 companion: Essentials of AutoCAD plus solid modeling. NewYork: McGraw - Hill.

Dyfyniad Arddull Chicago

Leach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. NewYork: McGraw - Hill, 2007.

Dyfyniad MLA

Leach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. NewYork: McGraw - Hill, 2007.

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