George, Darren  <br/><br/>
SPSS for windows step by step  a simple guide and reference 
Darren George and  Paul Mallery 
 - 10th ed.  
 - New Delhi  Pearson Education Inc 
 - 386p. 
<br/><br/><label>ISBN: </label>978813176227 
<br/><br/><label>Subjects--Index Terms: </label>Statistical analysis Statistical software 
<br/><br/><label>Universal Decimal Class. No.: </label>519.23:004.4SPSS  / GEO