@InCollection{Kruk:2016,
  author    = "M. Kruk",
  title     = "The Impact of Using Internet Resources and Browser-based Virtual Worlds on the Level of Foreign Language Anxiety",
  pages     = "103--121",
  year      = "2016",
  booktitle = "CALL for Openness, ISBN: 9783631696422",
  editor    = "ed. by Mariusz Marczak and Jarosław Krajka",
  publisher = "Peter Lang",
  address   = "Frankfurt am Main",
  series    = "Studies in Computer Assisted Language Learning : Vol. 2",
}