Han, Jeong-Su, author
Pyeongdanmunhwasa, 2011
Buku Teks
Williams, T. Harry, author
Alfred A. Knopf, 1963
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Palacio do Itamaraty 2000,
Buku Referensi
Hochin, Choi
Sekyung Printing Co., Ltd., 1988
Buku Teks
Clements, Kevin P., author
The Port Nicholson Press, 1988
Buku Teks