Technical drawing and engineering communication / 
David L. Goetsch ... [et al.] 
 - 6th ed. 
 - Clifton Park, NY :  Delmar Cengage Learning,  c2010 
 - xvii, 985 p. :  ill. ;  29 cm. +  1 CD-ROM 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781428335837 1428335838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing