| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| CD-ROM WordPerfect 6.0 DOS | 978-0-538-63815-9 | 1999 | |
| DD IBM 5 | 978-0-538-63814-2 | 1999 | |
| WordPerfect 6.0 DOS--Business Skills: Official Certification Curriculum | 978-0-538-65053-3 | 1994 | WordPerfect Corporation |
| Wp 6.0 DOS Add License W/Doc W /O Media | 978-0-538-63816-6 | 1997 | |
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