Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.