@book { BereitfrdieBalancedScorecard,
    title = "Bereit für die Balanced Scorecard?!",
    author = "Gudrun {Seida}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832494674",
    url = "https://m.diplom.de/document/224598"
}