Rogerson, P. <br/><br/>
Speking clearly / 
Rogerson, P. 
 - New York:  Cambridge University Press,  1990. 
 - vii,135p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521312876 
<br/><br/><label>Dewey Class. No.: </label>418 ROG