Go, Kyeong-nam, author
Booksenseu, 2007
Buku Teks
Kim Chang-sop, author
T'aehaksa, 2008
Buku Teks
Lee, Yang Hye, author
Language Plus, 2009
Buku Teks
Lee, Yang Hae, author
Langauge Plus, 2009
Buku Teks
Kim, Young-il, author
Pakmunsa, 2009
Buku Referensi