@book{
title = {Deutsch echt einfach A2 },
author = {Motta, Giorgio},
editor = {Machowiak, E. Danuta},
editor = {Con espansione online all'indirizzo www.klett-sprachen.de/deutsch-echt-einfach },
year = {2017},
address = {Stuttgart },
publisher = {Klett Sprachen},
}