Swan, Michael <br/><br/>
Practical English usage / 
Michael Swan. 
 - [Sl.] :  the English Language Book Society,  1980. 
 - 639 p :  21 cm. 
<br/><br/><label>ISBN: </label>0194421244 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar
<br/><br/><label>Dewey Class. No.: </label>R 428  / S972P 1980