@InCollection{Kruk:2013,
  author    = "M. Kruk",
  title     = "Virtual worlds, Internet resources, motivation: The results of a research project",
  pages     = "167--182",
  year      = "2013",
  booktitle = "Perspectives on Foreign Language Learning, ISBN: 9788379690329",
  editor    = "ed. by £ukasz Salski, Weronika Szubko-Sitarek",
  publisher = "Wydawnictwo Uniwersytetu £ódzkiego",
  address   = "£ód¼",
}