| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Economics: A Tool for Critically Understanding Society | 978-0-321-42358-0 (0-321-42358-5) | 2007 | Tom Riddell · Jean A Shackelford · Geoffrey Schneider |
| Economics: A Tool for Critically Understanding Society | 978-0-321-24113-9 (0-321-24113-4) | 2004 | Tom Riddell · Jean A Shackelford · Geoffrey Schneider |