Swan, Michael,  1936- <br/><br/>
How English works :  a grammar practice book : with answers / 
Michael Swan & Catherine Walter. 
 - Oxford :  Oxford University Press,  1997. 
 - 358p. :  ill. (some col.) ;  25cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0194314561 (pbk) :  No price 9780194314565 
<br/><br/><label>Nat. Bib. No.: </label>GB9813636  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.