@book { DieinternationaleFinanzkrise,
    title = "Die internationale Finanzkrise",
    author = "Marius {Jubin}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836613965",
    url = "https://m.diplom.de/document/225843"
}