| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Business Information Systems: an Introduction: Study Guide | 978-0-07-035873-7 (0-07-035873-7) | 1993 |
| Study guide to accompany Business computer systems, an introduction, fourth edition | 978-0-07-035617-7 (0-07-035617-3) | 1990 |