Osborn, Patricia <br/><br/>
How grammar works :   a self-teaching guide / 
Patricia Osborn 
 - 2nd ed 
 - New York:  John Wiley & Sons,   1999 
 - xiv, 258 p.:   ill.;   24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471243884