@book { StoryBrand20,
    title = "StoryBrand 2.0",
    subtitle = "Wie Sie mit starken Geschichten Ihre Kunden überzeugen",
    author = "Donald {Miller} and Ute {Mareik}",
    year = "2025",
    publisher = "C.H.Beck",
    address = ", Deutschland",
    url = "https://vahlen.openpublishing.com/document/1675463"
}