Harrington, Richard <br/><br/>
Understanding adobe photoshop CS4 :  essential techniques for imaging professionals / 
Richard Harrington 
 - Berkeley, CA :  Peachpit Press,  c2009 
 - xii, 347 p. :  col. ill. ;  23 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/> Includes index 
<br/><br/><br/>Includes CD-ROM for windows and Macintosh OS. Further system requirements not specified 
<br/><br/><label>ISBN: </label>0321563662 9780321563668 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography --Digital techniques<br/>Adobe photoshop<br/>Adobe photoshop elements