Mascull, Bill. <br/><br/>
Business Vocabulary in Use İntermediate / 
Bill Mascull. 
 - Second Edıtıon 
 -  Cambrıdge Unıversıty Press,  2010. 
 - 176 Sayfa 
<br/><br/><label>ISBN: </label>978-0-521-74862