Biber, Douglas. <br/><br/>
Longman student grammar of spoken and written English / 
Douglas Biber, Susan Conrad, Geoffrey Leech. 
 - 1st  ed. 
 - Harlow, England :  Pearson,  2002. 
 - vii, 487  p. 
<br/><br/><label>ISBN: </label>0582237262 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Grammar.