| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| dBASE Power: Building, and Using Programming Tools | 978-0-07-912743-3 (0-07-912743-6) | 1988 | P. L. Olympia · Randy Wallen |
| dBASE Power: Building and Using Programming Tools | 978-0-13-198805-7 (0-13-198805-0) | 1988 | P. L. Olympia |