Eckersley, C E <br/><br/>
Essential English for foreign students, Book2 

 -  Longmans Green & Co., London  1959 
 - 246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Standard English usage-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>428.07  ECK-E.2