2020-10-12T13:03:13.0970000Z
https://www.termdat.bk.admin.ch/entry/133806
Duden, "einsprachig" ([Internet, 2020-08-12](https://www.duden.de/rechtschreibung/einsprachig))
New Oxford Dictionary of English, 1998, "monolingual"
Le Grand Robert de la langue française, "monolingue" ([Internet, 2020-10-12](https://grandrobert.lerobert.com/))
Treccani, Vocabolario, "monolingue" ([Internet, 2020-08-12](http://www.treccani.it/vocabolario/monolingue/))