Leach, J. A. (2008). AutoCAD 2006 instructor: A student guide to complete coverage of AutoCAD's commands and features. New York, NY: The McGraw-Hill Companies Inc..
Chicago Style CitationLeach, James A. AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. New York, NY: The McGraw-Hill Companies Inc., 2008.
MLA CitationLeach, James A. AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. New York, NY: The McGraw-Hill Companies Inc., 2008.
Warning: These citations may not always be 100% accurate.