Adler, Emily Stier, <br/><br/>
An invitation to social research :  how it's done / 
Emily Stier Adler, Roger Clark. 
 - Fifth edition. 
 - xxi, 502 pages :  color illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references : pages 467- 484 and index. 
<br/><br/><label>ISBN: </label>9781285746425 (pbk.)  RM610.95 1285746422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology.<br/>Social sciences--Research--Methodology.