Styan, J. L. <br/><br/>
Modern drama in theory and practice :  Vol. 3: Expressionism and epic theatre / 
J. L. Styan. 
 - Cambridge :  Cambridge University Press,  1991. 
 - 230 p.:  ill.;  22 sm. 
<br/><br/><label>ISBN: </label>0-521-29630-7