@book { InstrumentederlernendenOrganisation,
    title = "Instrumente der lernenden Organisation",
    author = "Tarik {Karaduman}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836623674",
    url = "https://m.diplom.de/document/226397"
}