@incollection{Wimmer2018,
  author    = {Wimmer, Rainer},
  title     = {Helfen Sprachb{\"u}cher Sprachbarrieren zu {\"u}berwinden?},
  booktitle = {Gibt es die „Sprachbarriere" noch? Soziolinguistik - Sprachdidaktik - Bildungspolitik},
  editor    = {Ermert, Karl},
  isbn      = {3-590-15386-5},
  pages     = {71 -- 83},
  year      = {2018},
  subject      = {Sprachlehrbuch},
  language  = {de}
}