@book {9783749500307, 
	title = "Praxis Kommunikation 4/2017 Einzelheft",
	author = ", ",
	isbn = "9783749500307",
	year = "2017",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783749500307",
	url = "https://content-select.com/de/portal/media/view/5e5fa1dc-8a4c-4a9e-a873-29f7b0dd2d03",
	publisher = "Junfermann Verlag",
	language = "ger",
}