Ayres, Frank <br/><br/>
Comunicacion Oral 
Maria del Socorro Fonseca Yerena 
 - 3rd ed. 
 - New York  McGraw-Hill  c2003. 
 - 426 p.  ill.  28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0071402276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Outlines, syllabi, etc.