| polski | pol-000 |
| Certificate of Proficiency in English | |
| Deutsch | deu-000 | Cambridge Certificate of Proficiency in English |
| English | eng-000 | Certificate of Proficiency in English |
| français | fra-000 | Certificate of Proficiency in English |
| italiano | ita-000 | Certificate of Proficiency in English |
| español | spa-000 | Certificate of Proficiency in English |