Howitt D. <br/><br/>
Introduction to SPSS in psychology:  for version 16 and earlier/ 
Dennis Howitt and Duncan Cramer 
 - 4th 
 - Harlow.:  Pearson.;  2008 
 - xxii,377p.:  ill.;  24 cm. 
<br/><br/> includes glossary and index 
<br/><br/><label>ISBN: </label>9780132051644 
<br/><br/><label>LC Class. No.: </label>DUCE BF39.H718