Singleton, Royce <br/><br/>
Approaches to social research / 
Royce A. Singleton, Jr., Bruce C. Straits 
 - 4th ed. 
 - New York :  Oxford University Press,  2005 
 - xviii, 622 p. ;  ill. :  24 cm. 
<br/><br/>Includes bibliographical references (p. 575-601) and index 
<br/><br/><label>ISBN: </label>0195147944  RM69.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social sciences--Methodology