The National Institue of the Korean Language, 2014
Buku Teks
edited by Mats Brorsson and LuĂs Miguel Pinho
Springer-Verlag, 2012
eBooks
Cambridge University Press, 2002
eBooks
edited by Eleni Efthimiou, Georgios Kouroupetroglou, Stavroula-Evita Fotinea
Springer-Verlag, 2012
eBooks
Sogang University, 2004
Buku Teks