Kempton, Grant. <br/><br/>
Language leader :  upper intermediate : workbook with key and audio CD / 
Grant Kempton. 
 - 3rd impr. 
 - Harlow :  Pearson Longman,  2009. 
 - 112 s. :  il. ;  30 cm +  2 płyty CD. 
<br/><br/><label>ISBN: </label>9780582847804 9781405884570 9781405877909