James A. Leach. (2006). AutoCAD 2006 companion: Essentials of AutoCAD plus solid modeling. Boston: McGraw-Hill Higher Education.
Dyfyniad Arddull ChicagoJames A. Leach. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. Boston: McGraw-Hill Higher Education, 2006.
Dyfyniad MLAJames A. Leach. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. Boston: McGraw-Hill Higher Education, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.