@book { PatronessociolingsticosdeMadrid,
    title = "Patrones sociolingüísticos de Madrid",
    author = "Ana M. {Cestero Mancera} and Isabel {Molina Martos} and Florentino {Paredes García}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0815-6",
    url = "https://www.peterlang.com/document/1053230"
}