Halvey, John K..
Business process outsourcing: process, strategies, and contracts /
John K. Halvey, Barbara M. Melby 
. - 2nd edition 
. - Hoboken : John Wiley & Sons, Inc.,  2007 
. - xv, 584 p.  tab.  26 cm. 
<br/><label>  ISBN: </label>978-0-470-04483-4