@book { DemokratieundMedien,
    title = "Demokratie und Medien",
    author = "Markus Philipp {Vogtenhuber}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656155591",
    url = "https://www.hausarbeiten.de/document/190908"
}