@book { MarkenpolitikInternationalerUnternehmungen,
    title = "Markenpolitik Internationaler Unternehmungen",
    author = "Thomas {Schröder}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832435486",
    url = "https://m.diplom.de/document/219209"
}