Johnston, Ron ed., <br/><br/>
Directing Technology 
ed by Ron Johnston and Philip Gummett 
 - London  Croom Helm Ltd.  1979 
 - 271p. 
<br/><br/><label>ISBN: </label>0856647403 
<br/><br/><label>Dewey Class. No.: </label>309.212  / N79