@book { DieWirkungdesMarkennamens,
    title = "Die Wirkung des Markennamens",
    author = "Jana {geb. Truschel}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832473495",
    url = "https://m.diplom.de/document/222640"
}