Cotton, David. <br/><br/>
Market Leader :  Upper Intermediate : Business English Course Book : Audio Cds / 
David Cotton, David Falvey, Simon Kent. 
 - Harlow :  Pearson Education,  2016. 
 - 4 dyski opt. 
 - Always Learning. .
 - Always Learning .
<br/><br/><label>ISBN: </label>9781292124735 
<br/><br/><label>Uniwersalna Klasyfikacja Dziesiętna: </label> 811.111(07)