Soars, John. <br/><br/>
American headway 1 : The word ́s most trusted english course. 

 - EE.UU.:  Oxford University Press,  2009. 
 - 134 páginas 
<br/><br/><label>ISBN: </label>978-0-19-472945-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES - ENSEÑANZA