Tacey, William S. <br/><br/>
Business and professional speaking 

 - 3ª ed. 
 - United Estates :  Wm. C. Brown Company Publishers,  1980. 
 - xi, 270 p. 
<br/><br/><label>ISBN: </label>0-697-04163-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMUNICACIÓN ORAL
<br/><br/><label>Dewey Class. No.: </label>808.5  / T115b