@book { CrowdfundingAlternativeFinanzierungsformfrFilme,
    title = "Crowdfunding - Alternative Finanzierungsform für Filme?",
    author = "Vera {Ohlendorf}",
    year = "2013",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/229373"
}