Richard, Paul <br/><br/>
Introduction to autocad (r) 2011 :  a modern perspective / 
Paul Richard, Jim Fitzgerald. 
 - 1st ed. 
 - Boston, MA :  Prentice Hall,  2011. 
 - p. cm. 
<br/><br/><label>ISBN: </label>0138016364 
<br/><br/><label>LCCN: </label>2010-925389 
<br/><br/><label>LC Class. No.: </label>T385  / .R53 2011