@book { ControllingmitKennzahlen,
    title = "Controlling mit Kennzahlen",
    author = "Thomas {Reichmann} and Martin {Kißler} and Ulrike {Baumöl} and Andreas {Hoffjan} and Monika {Palloks-Kahlen} and Hermann J. {Richter} and Dietmar {Schön}",
    year = "2017",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220977"
}