@book { PolitikverdrossenheitunterJugendlichen,
    title = "Politikverdrossenheit unter Jugendlichen",
    author = "Tobias {Haas}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/276594"
}