Merdinger, Polly <br/><br/>
North star 1 
/ Polly Merdinger, Laurie Barton 
 - E.U.A.  : Pearson, Longman  , s.a. 
 - 1 CD 
<br/><br/><label>ISBN: </label>978-0-13-613337-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingles---Estudio y enseñanza
<br/><br/><label>Dewey Class. No.: </label>428.24 MER