Adobe Photoshop CS4 : complete concepts and techniques 

 - 1st Ed 
 - Boston, MA:  Course Technology Cengage Learning,  2009 
 - xv, 432p. ; 28 cm 
<br/><br/><label>ISBN: </label>9781439079300 
<br/><br/><label>Dewey Class. No.: </label>006.66P SHE