@book { ArbeitsrechtfrArbeitgeber,
    title = "Arbeitsrecht für Arbeitgeber",
    author = "Stephanie {Kaufmann-Jirsa} and Claudia {Kilian}",
    year = "2019",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1221331"
}