BibTeX-Format:
@book{ year = {2019}, typ = {book}, publisher = {de Gruyter}, pCounter = {920}, editor = {Ammon, Ulrich / Schmidt, Gabriele (unter Mitarbeit von Birte Kellermeier-Rehbein)}, address = {Berlin/Boston}, title = {{F}��rderung der deutschen {S}prache weltweit}, subtitle = {{V}orschl��ge, {A}ns��tze und {K}onzepte}}