http://www.amazon.com/Principles-Auditing-Assurance-Services-software/dp/0077504003/ref=sr_1_36?ie=UTF8&qid=1345323866&sr=8-36&keywords=auditing+and+assurance+services
Publication Date: June 30, 2011 | ISBN-10: 0077504003 | ISBN-13: 978-0077504007 | Edition: 18
Ray Whittington (Author), Kurt Pany (Author)