@book { MarketingstrategieninderAutomobilindustrie,
    title = "Marketingstrategien in der Automobilindustrie",
    author = "Giselher {Schiecke}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832487133",
    url = "https://m.diplom.de/document/223688"
}