@book { DasDienstverhltnisinderAltenpflege,
    title = "Das Dienstverhältnis in der Altenpflege",
    author = "Christine {Ben-Khalifa} and Stefanie {Hellmann}",
    year = "2010",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403630"
}