Biddle, Bruce J. <br/><br/>
Role theory :  expectations, identities and behaviors, 
Bruce J. Biddle 
 - New York :  Academic Press,  1979 
 - 416 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>012095950X 
<br/><br/><label>LCCN: </label>79-6930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Role playing