SPSS reference guide. 

 - Chicago:   SPSS Inc.,   c1990.  
 - 931 p. :  ill. ;  28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0918469627 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SPSS (Computer file) SPSS (Computer file) 
<br/><br/><label>Dewey Class. No.: </label>005.55