| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Essence of Business Economics | 978-0-13-573130-7 (0-13-573130-5) | 1997 | Joseph Nellis |
| The Essence of the Economy | 978-0-13-356502-7 (0-13-356502-5) | 1996 | Joe Nellis · Joseph G. Nellis |
| The Essence of the Economy | 978-0-13-284696-7 (0-13-284696-9) | 1991 | David Parker · David E. Paker |
G. N. · J. G. · Joseph G. Nellis · Joseph G. Prof Nellis · Prof Joseph G. Nellis