Jo, Hyon Yong
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
Pagijong, 2007
Buku Referensi
Gu, Bon-wan
Korea Language PLUS, 2009
Buku Referensi
Komyunikeisyon Buksu, 2005
Buku Referensi