| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Economics, principles & applications | 978-0-538-08430-7 (0-538-08430-8) | 1978 |
| Economics, principles & applications: Study guides, readings, and applications | 978-0-538-08431-4 (0-538-08431-6) | 1978 |
| Economics, principles & applications: Teacher's resource book | 978-0-538-29694-6 (0-538-29694-1) | 1978 |