Babbie, Earl R. <br/><br/>
The practice of social research / 
Earl Babbie. 
 - 9th ed. 
 - Belmont, CA :  Wadsworth Thomson Learning,  c2001. 
 - 1 v. (various pagings) :  ill. ; 
<br/><br/><label>ISBN: </label>0534574742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.
<br/><br/><label>LC Class. No.: </label>H62.B2 2001