@book { VerrechnungspreiseinderProfitCenterOrganisation,
    title = "Verrechnungspreise in der Profit-Center-Organisation",
    author = "Gunnar {Kläschen}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832444334",
    url = "https://m.diplom.de/document/220040"
}