www.swiss-schools.ch
www.goethe-institut.de
USI - esami Goethe Institut
University of Cambridge ESOL Examinations
TOEFL: The Test of English as a Foreign Language
Alliance Française
Commission nationale - DELF DALF - CIEP
DELF DALF - Esami a Bellinzona
Università per Stranieri - Perugia
Diplomas de Español como Lengua Extranjera
TELC - THE EUROPEAN LANGUAGE CERTIFICATES
