Eckersley, C. E.  <br/><br/>
Essential english for foreign students /  
by C. E. Eckersley 
 - 3rd ed., new impr. 
 - Harlow :   Longman,   1967 
 - [1] v. 
<br/><br/>Contiene:   Book one .--rev. ed.  V. 1.  
<br/><br/><br/>Espaņa 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenguas Extranjeras