Babbie, Earl. <br/><br/>
The basics of social research / 
Earl Babbie. 
 - 4th ed. 
 - Belmont, California :  Thomson,  c2008. 
 - xxiv, 550 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0495102334 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --research.<br/>Social sciences--methodology.
<br/><br/><label>LC Class. No.: </label>H62  / .B18