Wilson, Joni,  1936- <br/><br/>
The voice of success :  a woman's guide to a powerful and persuasive voice / 
Joni Wilson. 
 - New York :  American Management Association,  2009. 
 - ix, 222 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780814412800  RM54.93 0814412807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Voice culture--Exercises.