George, Darren. <br/><br/>
SPSS for Windows step by step :  a simple guide and reference, 13.0 update / 
Darren George, Paul Mallery. 
 - 6th ed. 
 - Boston :  Pearson A and B,  c2006. 
 - 386 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references (p. [379]-380) and index. 
<br/><br/><label>ISBN: </label>0205480713 (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SPSS for Windows.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs
<br/><br/><label>Dewey Class. No.: </label>519.50285536  / GEO