Babbie, Earl R. <br/><br/>
Introduction to Social research / 
Earl Babbie. 
 - 5th ed. 
 - Belmont, Calif  :  Wadsworth Cengage,  c2011 
 - xxiv, 540 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographic references and index. 
<br/><br/><label>ISBN: </label>9780840032201 084003220x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.
<br/><br/><label>LC Class. No.: </label>H62  / .B2 2011