@book { DerWegindieWeiterbildungsgesellschaft,
    title = "Der Weg in die Weiterbildungsgesellschaft",
    author = "Carsten {Weerth}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656171096",
    url = "https://www.hausarbeiten.de/document/191508"
}