Thomson, A. J. <br/><br/>
A practical english grammar : exercises 

 - 3rd. ed 
 - Oxford  Oxford University  1986 
 - 2 v 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>0-19-431349-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>/LINGUISTICA/INGLES-GRAMATICA/REVISADO/