@book { RatingAgenturenvorundnachderFinanzkrise200708,
    title = "Rating-Agenturen vor und nach der Finanzkrise 2007/08",
    author = "Chekdar {Bavli}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842819405",
    url = "https://m.diplom.de/document/228578"
}