Leach, J. A. (2010). AutoCAD 2010 instructor: A student guide to complete of autocad's commands and features. New York: McGraw-Hill.
शिकागो स्टाइल उद्धरणLeach, James A. AutoCAD 2010 Instructor: A Student Guide to Complete of Autocad's Commands and Features. New York: McGraw-Hill, 2010.
एमएलए उद्धरणLeach, James A. AutoCAD 2010 Instructor: A Student Guide to Complete of Autocad's Commands and Features. New York: McGraw-Hill, 2010.
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