Thomson, A.J. <br/><br/>
A Practical English Grammar 
A.J.Thomson, A.V.Martinet 
 - Oxford  Oxford University Press  1986 
 - 383 p.  22 cm 
<br/><br/><label>ISBN: </label>0194313425 
<br/><br/><label>Subjects--Index Terms: </label>Ingles Gramatica