Babbie, Earl R. <br/><br/>
Practice of Social Research   

 - 11th ed.  
 - Belmont, CA  Thomson Wadsworth  2007 
 - xxiv, 114 p. illus.  
 -   .
<br/><br/><label>ISBN: </label>0495187380 
<br/><br/><label>Dewey Class. No.: </label>301.072  / B112