Leach, J. A. (2007). AutoCAD 2006 companion: Essentials of AutoCAD plus solid modeling. NewYork: McGraw - Hill.
Chicago Style aipamenaLeach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. NewYork: McGraw - Hill, 2007.
MLA aipamenaLeach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. NewYork: McGraw - Hill, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.