@book { PotentialeundGrenzenvonCauserelatedMarketingamBeispielvonKrombacher,
    title = "Potentiale und Grenzen von Cause related Marketing am Beispiel von Krombacher",
    author = "Sebastian {Eckert}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842800960",
    url = "https://m.diplom.de/document/227924"
}