@book{
title = {Kurs- und Übungsbuch B1+/B2 },
author = {Moritz, Ulrike},
editor = {Rodi, Margaret},
editor = {Rohrmann, Lutz},
editor = {998066946508896 - Linie 1 : Deutsch in Alltag und Beruf - 1 -  },
year = {2018},
address = {Stuttgart },
publisher = {Klett Sprachen},
}