@book { AnforderungsprofilefrKnstlermanager,
    title = "Anforderungsprofile für Künstlermanager",
    author = "Ki-Won {Sur}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836606981",
    url = "https://m.diplom.de/document/225461"
}