An intermediate commercial english course 

 - Geneva :  ITC,  1991 
 - 185 p. 
<br/><br/><label>LCCN: </label>006271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES COMERCIAL<br/>INGLES-GRAMATICA
<br/><br/><label>Dewey Class. No.: </label>425