Leech, Nancy L. <br/><br/>
IBM SPSS for introductory statistics : use and interpretation  / 
Leech, Nancy L. 
 - 5th ed. 
 - New York:  Routledge,  2013. 
 - xiv, 238p.; 28cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781848729827 
<br/><br/><label>Dewey Class. No.: </label>005.55 IBM