@book { KinderundWerbung,
    title = "Kinder und Werbung",
    author = "Kathleen {Kunert}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656155553",
    url = "https://www.hausarbeiten.de/document/190930"
}