Wardhaugh, Ronald. <br/><br/>
Understanding English grammar :  a linguistic approach / 
Ronald Wardhaugh. 
 - 2nd ed. 
 - Malden, MA :  Blackwell Pub.,  2003 
 - xi, 279 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0631232915 (hbk.)  RM358.18 
<br/><br/><label>LCCN: </label>2002-066423 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar.