@book { KompendiumKulturmarketing,
    title = "Kompendium Kulturmarketing",
    subtitle = "Handbuch für Studium und Praxis",
    author = "Armin {Klein}",
    year = "2014",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220771"
}