@book { DerRechtsanwaltalsfreierMitarbeiter,
    title = "Der Rechtsanwalt als freier Mitarbeiter",
    author = "Donata {Berghahn}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1076448"
}