@book { CoBrandingalsStrategieimRahmendesMarkenmanagements,
    title = "Co-Branding als Strategie im Rahmen des Markenmanagements",
    author = "Alexandra {Schaar}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832434908",
    url = "https://m.diplom.de/document/219155"
}