@book { DassprachlicheProduktderIntegrationsversucheinDeutschland,
    title = "Das sprachliche Produkt der Integrationsversuche in Deutschland",
    author = "Sebastian {Voßhans}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/226626"
}