@book { Arbeitsrecht,
    title = "Arbeitsrecht",
    subtitle = "Ein Lehrbuch für Wirtschaftswissenschaftler",
    author = "Ulrich {Pallasch}",
    year = "2014",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220937"
}