APA
Leach J. A., . (2005). AutoCAD 2004 companion: Essentials of autoCAD plus solid modeling. New York: McGraw-Hill Companies, Inc.
Chicago
Leach James A, . 2005. AutoCAD 2004 companion: Essentials of autoCAD plus solid modeling. New York: McGraw-Hill Companies, Inc.
Harvard
Leach J. A., . (2005). AutoCAD 2004 companion: Essentials of autoCAD plus solid modeling. New York: McGraw-Hill Companies, Inc.
MLA
Leach James A, . AutoCAD 2004 companion: Essentials of autoCAD plus solid modeling. New York: McGraw-Hill Companies, Inc. 2005.