George, Darren <br/><br/>
SPSS for windows Step by Step:  a simple guide and reference 17.0 update / 
by Darren George and Paul Mallery 
 - New Delhi :  Dorling Kindersley,  2012. 
<br/><br/><label>ISBN: </label>9788131762257 
<br/><br/><label>Subjects--Index Terms: </label>Spss Statistical Package For Social Sciences