@book { BeratungskompetenzinderAltenhilfe,
    title = "Beratungskompetenz in der Altenhilfe",
    author = "Jürgen {Link}",
    year = "2019",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/457957"
}