year of publication | ISBN | author(s) | title |
---|---|---|---|
2006 | 978-0-9777365-0-8 | Elaine Moran | How to Become a Mystery Shopper: The Only Book You'll Ever Need |
2008 | 978-0-9777365-1-5 | '' | How to Become a Mystery Shopper, The Only Book You'll Ever Need, Expanded & Updated Second Edition |
2014 | 978-0-9777365-2-2 | '' | How to Become a Mystery Shopper Your Complete Guide to Secret Shopping |