@book { InternationalFinancialReportingStandardfrkleineundmittelgroeUnternehmen,
    title = "International Financial Reporting Standard für kleine und mittelgroße Unternehmen",
    author = "Pia {Montag}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842805286",
    url = "https://m.diplom.de/document/228078"
}