@book { BalancedScorecardalsexternesPublizittsinstrumentdesIntegratedReportings,
    title = "Balanced Scorecard als externes Publizitätsinstrument des Integrated Reportings",
    author = "Simon {Giessing}",
    year = "2016",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/342170"
}