@book { DieNotwendigkeitderElternbildung,
    title = "Die Notwendigkeit der Elternbildung",
    author = "Bettina {Knobloch (geb. Kanis)}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656379805",
    url = "https://www.hausarbeiten.de/document/210334"
}