McMahon, Ken <br/><br/>
PaintShop Pro X4 for photographers / 
Ken McMahon 
 - Oxford :  Focal Press,  2012 
 - xiii, 305 :  col. ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780240523873 0240523873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Digital techniques