Shumaker, Terence M. AutoCAD and its applications. Basics, 2014 / by Terence M. Shumaker, David A. Madsen, , David P. Madsen - 21st ed. - Tinley Park, IL : The Goodheart-Willcox Company, Inc., [2014] - 1072 pages : illustrations ; 29 cm Includes index. ISBN: 9781619604469 (hardcover) Subjects--Topical Terms: Computer graphics.AutoCad. LC Class. No.: T385 / .S58 2014