| Snelgids Adobe premiere Elements | Holthuijsen, D. | |
| Snelgids Firefox | Holthuijsen, D. | |
| Snelgids Office 2007 | Holthuijsen, D. | |
| Snelgids Paint Shop Pro 7 | Holthuijsen, D. | |
| Snelgids Photoshop Elements 4.0 | Holthuijsen, D. | |
| Snelgids Pinnacle Studio plus 9 | Holthuijsen, D. | |
| Snelgids Pinnacle Studio Plus versie 10 | Holthuijsen, D. | |
| Snelgids Windows Vista geheimen | Holthuijsen, D. |
