Dusandonga, 2008
Buku Referensi
Jo, Hyon Yong, author
Howe, 2009
Buku Teks
Jeon Na-Yeong, Im Ji-Suk, Jeon Ji-in, Kang Eun-Jeong
Yonsei Dehakgyo Chulphanbu, 2011
Buku Teks
Nam, Ji Sun, author
Pagijong, 2007
Buku Referensi
Komyunikeisyon Buksu, 2005
Buku Referensi