Eckersley, C. E. <br/><br/>
Essential English for foreign students / 
by E. Eckersley 
 - Revised ed. 
 - Harlow, Essex :  Longman,  1970 
 - 4v. :  ill. ;  18 cm. 
<br/><br/> Students books 
<br/><br/><label>ISBN: </label>0582521971 0582522218 pbk (book one) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreigners