| Mac Os X 10.2 | Maria Langer | Peachpit Press |
| Mac - Handboek Mac OS X Lion | Maria Langer | Mainpress B.V. |
| Mac Os X 10.5 Leopard | Maria Langer | Peachpit Press |
| Mac Os 9 | Maria Langer | Addison Wesley |
| Snel op weg | Maria Langer | Pearson |
| Mac Os X 10.4 Tiger | Maria Langer | Peachpit Press |
| Mac Os X | Maria Langer | Peachpit Press |
