https://katalog.hgb-leipzig.de/Record/0-1668643014 Handbuch Integration / Gert Pickel, Oliver Decker, Steffen Kailitz, Antje Röder, Julia Schulze Wessel (editors). — Wiesbaden : Springer VS, [2020]. — 1 Online-Ressource.
ISBN 9783658215705, 3658215704