| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Visual Macroeconomics: Macroeconomics/Windows | 978-1-57259-175-2 (1-57259-175-7) | 1996 | Tregarthen · Richard M. Alston |
| Visual Microeconomics: For Use With Tregarthen's Microeconomics | 978-1-57259-200-1 (1-57259-200-1) | 1996 | Richard M. Alston |