Babbie, Earl. <br/><br/>
The practice of social research / 
Earl Babbie. 
 - 8th ed. 
 - 638 p ;  24 cm. 
<br/><br/> Includes bibliographical references,glossary and index. 
<br/><br/><label>ISBN: </label>053450468x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences--Research<br/>Social Sciences--Methodology