@book { BusinessTelevisionalsInstrumentderAuendienstkommunikation,
    title = "Business Television als Instrument der Außendienstkommunikation",
    author = "Frank {Hoffmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093178"
}