Beasley, David. <br/><br/>
Design illustration :  sketching and shading techniques. / 
David Beasley. 
 - London :  Heinemann Educational,  1979. 
 - vi, 88 pages :  illustrations. 
<br/><br/><label>ISBN: </label>0435750631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graphic arts.<br/>Design illustration.<br/>Graphic arts.