Seidler, Douglas R., <br/><br/>
Digital drawing for designers :  a visual guide to AutoCAD 2021 / 
Douglas R. Seidler. 
 - 6th.ed 
 - ND:  Fairchild Books;  2021., 
 - xvii, 254 pages :  [pb] 
<br/><br/><label>ISBN: </label>9781501362835 
<br/><br/><label>Dewey Class. No.: </label>720.285  / SEI-D