Practical usage of english / 
Shawn Michael. 
 - Oxford :  Oxford university press,  2003. 
 - 658p. : 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>019431197x 
<br/><br/><label>LC Class. No.: </label>PE 1106  / .S93 1981