イタリア語参考資料 (Riferimenti)

https://en.wiktionary.org/wiki/ci  https://www.europassitalian.com/learn/grammar/pronouns-and-pronominal-particles/  https://talkinitalian.com/italian-jobs-vocabulary/#t-1591780813484  https://wikidifferenza.com/insegnante/professore  https://hinative.com/questions/5668404  『標準イタリア会話』（坂本鉄男著、白水社）