@book { GermanistikfrdenBeruf,
    title = "Germanistik für den Beruf",
    author = "Ulrike {Haß} and Vaiva {Žeimantienė} and Eglė {Kontutytė}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16605",
    url = "https://www.peterlang.com/document/1058736"
}