| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Introduction to Wordperfect 5.1 | 978-0-697-12317-6 (0-697-12317-0) | 1991 |
| Introduction to wordPerfect 5.1 | 978-0-697-12318-3 (0-697-12318-9) | 1991 |
| Introduction to Wordperfect 6.0 | 978-0-697-22709-6 (0-697-22709-X) | 1994 |