@book { Strutturedellitalianoregionale,
    title = "Strutture dell’italiano regionale",
    author = "Massimo {Cerruti}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00227-0",
    url = "https://www.peterlang.com/document/1054220"
}