@book { Variedadesdelespaolencontactoconotraslenguas,
    title = "Variedades del español en contacto con otras lenguas",
    author = "Élodie {Blestel} and Azucena {Palacios}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17748",
    url = "https://www.peterlang.com/document/1111636"
}