Fichnová, Katarína, Peter Mikuláš, i Łukasz Wojciechowski. 2012. „Similari%es and Differences Between Social Networking Services in Poland and Slovakia”. ANNALES UNIVERSITATIS PAEDAGOGICAE CRACOVIENSIS. STUDIA LINGUISTICA, nr 7 (listopad). https://studialinguistica.uken.krakow.pl/article/view/5092.