George, Darren. <br/><br/>
SPSS for windows step by step :  A simple guide and reference 14.0 update / 
by Darren George, Paul Mallery. 
 - 7th ed. 
 - Boston :  Pearson Education,  c2007. 
 - 386 p. :  ill., col ;  28 cm. 
<br/><br/><label>ISBN: </label>0205515851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer Software.<br/>SPSS for Windows.<br/>Statistical mathematics.