Swan, Michael <br/><br/>
Practical English usage / 
Michael Swan. 
 - 2nd ed. 
 - Oxford :  Oxford University Press,  1995. 
 - xxx, 658 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>019431197X (pbk.) 0194311988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar--20th century