Babbie, Earl <br/><br/>
The practice of social research / 
Babbie, Earl. 
 - 7th ed 
 - Belmont:  Wordsworth Publishing Company,  1994. 
 - 113p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0534187447 
<br/><br/><label>Dewey Class. No.: </label>300.72 BAB