Swan, Michael <br/><br/>
How english works :   A grammar practice book With answers /  
Michael Swan & Catherine Walter. 
 - 1a ed. 
 - Oxford :   Oxford University Press,   2004 
 - 358 p. :   ils. ;   25 cm. 
<br/><br/>Incluye índice 
<br/><br/><label>ISBN: </label>0194314561 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inglés--Gramática
<br/><br/><label>LC Class. No.: </label>PE1128.H69   / S93 2004