Não informado. (2002). Studies in languages. University of Joensuu, Faculty of Humanities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Studies in Languages. Joensuu, Finlandia: University of Joensuu, Faculty of Humanities, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Studies in Languages. University of Joensuu, Faculty of Humanities, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.