@book { ArbeitnehmereinsatzimAusland,
    title = "Arbeitnehmereinsatz im Ausland",
    author = "Angela {Nunes Fernandes Gil Wolf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135701"
}