Leach, J. A. (2007). AutoCAD 2006 companion: Essentials of AutoCAD plus solid modeling. McGraw-Hill Higher Education.
Trích dẫn kiểu ChicagoLeach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. McGraw-Hill Higher Education, 2007.
MLA引文Leach, James A. AutoCAD 2006 Companion: Essentials of AutoCAD Plus Solid Modeling. McGraw-Hill Higher Education, 2007.
警告:这些引文格式不一定是100%准确.