@book {9783749500420, title = "Praxis Kommunikation 2/2018 Einzelheft", author = ", ", isbn = "9783749500420", year = "2018", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783749500420", url = "https://content-select.com/de/portal/media/view/5e5fa1db-a330-4e7f-b45e-29f7b0dd2d03", publisher = "Junfermann Verlag", language = "ger", }