Hong, Tae-hue
Fibook, 2002
Buku Teks
The National Institute of the Korean Language & The International Korean Language Foundation, 2008
Buku Teks
Ahn, Kyung-hwa
Korea Foundation, 2010
Buku Teks
Arumdaun Hangukahokkyo, 2010
Buku Teks
Oh, Seung-eun
Darakwan, 2009
Buku Teks