Santos, Nelly E. <br/><br/>
Español comercial 
Nelly E. Santos. 
 - New York, N.Y.  Harper & Row  c1981. 
 - xvii, 410 p.  ill. 
<br/><br/> English or Spanish.  Includes index. 
<br/><br/><label>ISBN: </label>0060457252 
<br/><br/><label>LCCN: </label>80026617  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Business Spanish.<br/>Commercial correspondence , Spanish.