@book { LaspresentacionesacadmicasoralesenELEdeestudiantesalemanes,
    title = "Las presentaciones académicas orales en E/LE de estudiantes alemanes",
    author = "Claudia {Villar}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04657-1",
    url = "https://www.peterlang.com/document/1048481"
}