Rojas R., Demostenes. <br/><br/>
Redacción comercial estructurada 
Demóstenes Rojas R.. 
 - 4th. ed. 
 - Bogotá, Colombia  McGraw-Hill  1999. 
 - xii, 228p.  ill.  27 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9586009696 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial correspondence--Handbooks, annuals, ect.<br/>Commercial correspondence , Spanish.<br/>Business report writing
<br/><br/><label>LC Class. No.: </label>HF5728 .S7  / R6 1999 
<br/><br/><label>Dewey Class. No.: </label>651.75  / R741r4 E