| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Principles of Economics | 978-0-321-07730-1 | 2000 | Paul R. Gregory |
| Principles of Macroeconomics | 978-0-321-07732-5 | 2000 | " |
| Principles of Macroeconomics | 978-0-321-05058-8 | 1999 | |
| Principles of Microeconomics | 978-0-321-07731-8 | 2000 | Paul R. Gregory |
| Study Guide, Macroeconomics for Principles of Economics | 978-0-321-08448-4 | 2000 | " |
| Study Guide, Microeconomics for Principles of Economics | 978-0-321-08449-1 | 2000 | " |