Kirkpatrick, Lee A. <br/><br/>
A Simple guide to ibm spss statistics  for version 20.0 
Lee A Kirkpatrick, Brooke C Feeney. 
 - 12th ed. 
 - Belmont, CA  Wadsworth Cengage Learning  2012 Belmont, CA  Wadsworth Cengage Learning  2012 
 - p. cm 
<br/><br/><label>ISBN: </label>9781285086019