@book { VerhaltensorientierungimControlling,
    title = "Verhaltensorientierung im Controlling",
    author = "Juliane {Belz}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836634939",
    url = "https://m.diplom.de/document/226943"
}