Berreby, David. <br/><br/>
Us and them :   understanding your tribal mind  
/ by David Berreby.  
 - New York :   Little, Brown and Co.,   2005. 
 - x, 370 p. ;   25 cm.  
<br/><br/><label>ISBN: </label>9780316154994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group identity; Prejudices; Social groups; Social psychology. 
<br/><br/><label>Dewey Class. No.: </label>305 BER