@book { DasModellderGewaltfreienKommunikationnachMarshallBRosenberg,
    title = "Das Modell der Gewaltfreien Kommunikation nach Marshall B. Rosenberg",
    author = "Nadine {Henke}",
    year = "2017",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/374184"
}