statut de langue officielle
statuto di lingua ufficiale
2020-10-12T16:25:14.6930000Z
https://www.termdat.bk.admin.ch/entry/133546
EDI, Viersprachige Schweiz, 1989, S. 299
DFI, Quadrilinguisme en Suisse, 1989, p. 217
D. Mac Sithigh, Official status of languages in the UK and Ireland, 2017, p. 19 ([Internet, 2018-08-08](https://pure.qub.ac.uk/portal/files/141540053/Status_OA_Feb_2018.pdf))
CaF, Sezione di terminologia, 1997, secondo DFI, Quadrilinguismo svizzero, 1989, pag. 269