Leach, J. A. (2006). AutoCAD 2006 instructor: A student guide to complete coverage of AutoCAD's commands and features. Boston: McGraw-Hill Higher Education.
استشهاد بنمط شيكاغوLeach, James A. AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. Boston: McGraw-Hill Higher Education, 2006.
MLA استشهادLeach, James A. AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. Boston: McGraw-Hill Higher Education, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.