Approaches to social research / 
Royce Singleton, Jr. ... [et al.]. 
 - New York :  Oxford University Press,  1988. 
 - xviii, 541 p. :  ill. ;  25 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 497-515. 
<br/><br/><label>ISBN: </label>019504469X (alk. paper) : 
<br/><br/><label>LCCN: </label>87012187  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Social sciences--Methodology.
<br/><br/><label>LC Class. No.: </label>H62  / .A628 1988 
<br/><br/><label>Dewey Class. No.: </label>300.72    / APP 1988