@book { Ocomportamentolingusticodosemigrantesportuguesesnaustria,
    title = "O comportamento linguístico dos emigrantes portugueses na Áustria",
    author = "Cláudia {Fernandes}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06878-8",
    url = "https://www.peterlang.com/document/1050287"
}