@book { EventMarketingimRahmenintegrierterKommunikation,
    title = "Event-Marketing im Rahmen integrierter Kommunikation",
    author = "Thorsten {Brehm}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832476342",
    url = "https://m.diplom.de/document/222909"
}