@book { KommunikationsControllingmitderBalancedScorecard,
    title = "Kommunikations-Controlling mit der Balanced Scorecard",
    author = "Susanne {Laberenz}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832467203",
    url = "https://m.diplom.de/document/222095"
}