Robert Barton  <br/><br/>
Voice:  onstage and off/ 
Robert Barton and Rocco Dal Vera 
 - 2nd ed. 
 - Routledge :  New York,  2011. 
 - xxxiv, 427 p. :  ill. ; 
<br/><br/><label>ISBN: </label>9780415585576 (hardback) 9780415585583 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice Culture<br/>Speech<br/>Acting<br/>Arts
<br/><br/><label>Dewey Class. No.: </label>792.028  / ROB/V