@book { BalancedScorecardalsManagementinstrumentimKrankenhaus,
    title = "Balanced Scorecard als Managementinstrument im Krankenhaus",
    author = "Martin {Käding}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/274896"
}