Alexander, L. G. <br/><br/>
Longman English grammar practice for intermediate students 

 - London  Longman  1990 
 - 296 p.  il. 
<br/><br/><label>ISBN: </label>0582045002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LENGUA INGLESA<br/>GRAMATICA