Werner, Patricia <br/><br/>
A communicative grammar 

 - 1a ed 
 -  2000 
<br/><br/>2000 
<br/><br/><label>ISBN: </label>978-970-10-2794-3 
<br/><br/><label>Subjects--Index Terms: </label>Ingles 
<br/><br/><label>Dewey Class. No.: </label>372.061 -