Howitt, Dennis <br/><br/>
Introduction to SPSS statistics in psychology : for version 19 and earlier 

 - 5th ed. 
 - Boston  Pearson  2011 
 - 512 p 
<br/><br/><label>ISBN: </label>9780273734260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boston
<br/><br/><label>LC Class. No.: </label>BF 39 .H718/