Eckersley, C.E.  <br/><br/>
Essential English for foreign students 

 - 1 ed. 
 - London :   Longmans, Green and Co. Ltd.,   1941, 1965 
 - 2 tomos 
<br/><br/><label>Subjects--Topical Terms: </label><br/>inglés
<br/><br/><label>Dewey Class. No.: </label>428.2400 Ec5