Dyfyniad APA

Leach, J. A. (2003). AutoCAD 2002 companion: Essentials of AutoCAD plus solid modeling. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Leach, James A. AutoCAD 2002 Companion: Essentials of AutoCAD Plus Solid Modeling. Boston: McGraw-Hill, 2003.

Dyfyniad MLA

Leach, James A. AutoCAD 2002 Companion: Essentials of AutoCAD Plus Solid Modeling. Boston: McGraw-Hill, 2003.

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