@book { KinowerbungWerbefilmecontraProductPlacement,
    title = "Kinowerbung: Werbefilme contra Product Placement",
    author = "Tanja {Rittinghaus}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832402976",
    url = "https://m.diplom.de/document/216282"
}