| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Power Japanese 2.0 | Unbound | 978-1-883653-02-6 (1-883653-02-9) | 1995 |
| Power Spanish 1.0 | CD-ROM | 978-1-883653-04-0 (1-883653-04-5) | 1995 |
| Power Spanish 1.0 | Audio CD | 978-1-883653-08-8 (1-883653-08-8) | 1995 |