Gerring, John,  1962- <br/><br/>
Social science methodology :  a unified framework / 
John Gerring. 
 - 2nd ed. 
 - Cambridge :  Cambridge University Press,  2012. 
 - xxv, 495 p. :  ill. ;  25 cm. 
 - Strategies for social inquiry .
 - Strategies for social inquiry. .
<br/><br/>Includes bibliographical references (p. 444-491) and index. 
<br/><br/><label>ISBN: </label>9780521115049 (hbk.)  RM312.84 9780521132770 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology.