@book { SprachlicheStrategienderPR,
    title = "Sprachliche Strategien der PR",
    subtitle = "Untersucht am Beispiel von Imagebroschüren",
    author = "Marianne {Falck}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832487720",
    url = "https://m.diplom.de/document/223954"
}