Kolln, Martha <br/><br/>
Understanding English grammar / 
Martha Kolln, Robert Funk 
 - 9th ed. 
 - New York :  Longman,  c2011 
 - xx, 438 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780205209521 0205209521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar