G.L. · G.M. · Gerry Litton · M.-L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Database management: Using dBASE III, dBASE III PLUS | 978-0-697-01264-7 (0-697-01264-6) | 1987 |
| dBASE III plus hands-on: A self-guided tutorial | 978-0-697-03886-9 (0-697-03886-6) | 1989 |
| Wordperfect Hands-On: A Self-Guided Tutorial | 978-0-697-03884-5 (0-697-03884-X) | 1989 |