Oxenden, Clive <br/><br/>
English file workbook 1 / 
by Clive Oxenden and Paul Seligson 
 - Oxford :  Oxford University Press,  2006. 
<br/><br/><label>ISBN: </label>0194355292 
<br/><br/><label>Subjects--Index Terms: </label>English Language - Usage 
<br/><br/><label>Dewey Class. No.: </label>428