Betti, Claudia. <br/><br/>
Drawing :  a contemporary approach / 
Claudia Betti, Teel Sale.  
 - 6th ed. 
 - Australia ;  United States :  Thomson/Wadsworth,  2008 (2007 printing) 
 - xv, 318 p. :  ill. (some col.) ;  28 cm. 
<br/><br/>Includes bibliographical references (p. 295-303) and index. 
<br/><br/><label>ISBN: </label>9780495094913 0495094919  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drawing--Technique.