@Article{ authors = " Artur Świątek", title = "The use of the selected English determiners by Polish users of English at different proficiency levels", journal = "Applied Linguistics Papers", issue = "2018 / Tom 25 / Numer 3", pages = "79 - 88" }

@Article{ authors = " Artur Świątek", title = "The use of the selected lexical and function words (to, there, before) by L2 Polish users at different proficiency levels", journal = "Lingwistyka Stosowana / Applied Linguistics / Angewandte Linguistik", issue = "2017 / Numer 21", pages = "167 - 173" }