O. Ray Whittington.  2016 <br/><br/>
Principles of auditing and other assurance services : 
O. Ray Whittington. 
 - 20th edition 
 - New York :  McGraw-Hill,  ©2016. 
<br/><br/><label>ISBN: </label>9789814738767 
<br/><br/><label>LC Class. No.: </label>HF 5667   / W619 2016