Jo, Hyon-yong
Howe, 2009
Buku Teks
Kungnip Kugowon
Komyunikeisyon Buksu, 2005
Buku Referensi
Jeon Na-Yeong, Im Ji-Suk, Jeon Ji-in, Kang Eun-Jeong
Yonsei Dehakgyo Chulphanbu, 2011
Buku Teks
Nam, Ji Sun
Pagijong, 2007
Buku Referensi
[by] Gu Bon-wan ... [and others]
Korea Language PLUS, 2009
Buku Referensi