Social psychology :  conflicts and continuities - an introductory textbook / 
Dennis Howitt (editor) ; [Contributors] Michael Billig ... [Et al]. 
 - Milton Keynes :  Open University Press,  1989. 
<br/><br/><label>ISBN: </label>0335098835 0335098827 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology