@book { DieKommunikationvonVerantwortung, title = "Die Kommunikation von Verantwortung", author = "Leona {Engelen}", year = "2013", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656430353", url = "https://www.hausarbeiten.de/document/212898" }