@book { AudioBrandingAkustischeMarkenfhrung,
    title = "Audio - Branding: Akustische Markenführung",
    author = "Fabian {Litzendorf}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297613"
}