@book { LitalianoinSvizzera,
    title = "L'italiano in Svizzera",
    subtitle = "Spazi e realtà",
    author = "Aline {Kunz} and Silvia {Natale}",
    year = "2025",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b23167",
    url = "https://www.peterlang.com/document/1581599"
}