@book { PromoPrintMagazin32020,
    title = "Promo Print Magazin 3 / 2020",
    author = "Marc {Debus} and Anne {Melis} and Hans-Peter {Hündorf} and Frank {Billik} and Joachim {Schatke}",
    year = "2020",
    publisher = "Schreibstark-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1014833"
}