Pollock, Philip H. <br/><br/>
SPSS Companion to Political Analysis 

 - 3rd 
 -  Washington: CQ Press 
<br/><br/><label>ISBN: </label>9780872896079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519.5 POL