@book {9783749500574, title = "Praxis Kommunikation 1/2019 Einzelheft", author = ", ", isbn = "9783749500574", year = "2019", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783749500574", url = "https://content-select.com/de/portal/media/view/5e5fa1db-7ad0-42e3-b226-29f7b0dd2d03", publisher = "Junfermann Verlag", language = "ger", }