Interactions 1 : listening /speaking. 

 - 6. ed.  
 - EE.UU :  McGraw-Hill,   2014 
 - 244 p. 
<br/><br/><label>ISBN: </label>978-0-07-7595-18-0  
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENSEÑANZA DEL INGLES<br/>ESTUDIO DEL INGLES 
<br/><br/><label>Dewey Class. No.: </label>428.24 I611i V.1