@book { LasvariedadesdelespaoldeAmrica,
    title = "Las variedades del español de América",
    author = "Carolin {Patzelt} and Ávaro {Ezcurra} and Carlos {Garatea}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19491",
    url = "https://www.peterlang.com/document/1244685"
}