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O, Sung--gu, author
Sansung Kyeong Jae Yeon gu so, 2005
Buku Teks
Jong, Du Heui, author
Kookhak Jaryowon, 2005
Buku Teks
edited by Penny Kaganoff and Susan Spano
Harcourt Brace & Company, 1997
Buku Teks
The A.N. Marquis, 1966
Buku Referensi