"Bickler, Shirley;" <br/><br/>
Oxford English Voyage: Year 3/P4: Teaching Guide 1 

 -  ,Publisher: Oxford University Press, 2005  2005 
 - 56 
<br/><br/><label>ISBN: </label>9780198349709 
<br/><br/><label>Dewey Class. No.: </label>420  / 1356