@book { FeinmitNEINDasBuchzumNeinsagenlernen,
    title = "Fein mit NEIN! Das Buch zum Neinsagen lernen",
    author = "Nicole {Teschner}",
    year = "2023",
    publisher = "MindQuieting-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1316445"
}