Babbie, Earl. <br/><br/>
Adventures in social research: Data analysis using spss 14.0 and 15.0 for windows 

 - 6th Edition 
 - New Delhi  Pine Forge Press  2007 
 - 433p. 
<br/><br/><label>ISBN: </label> USD 49.95 
<br/><br/><label>Source: </label> USD 49.95 
<br/><br/><label>Dewey Class. No.: </label>300.285 BAB