@book { PortuguscomoLnguadeHerana,
    title = "Português como Língua de Herança",
    author = "Layla Cristina {Jochmann}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17191",
    url = "https://www.peterlang.com/document/1058825"
}