Buku Teks
Melvin, Jeremy, author
Birkhäuser, 2000
Buku Teks
Korean Culture and Information Service Ministry of Culture, Sports and Tourism, 2009
Buku Referensi
Stevenson, Burton Egbert, author
Henry Holt, 1942
Buku Referensi
[place of publication not identified]: [publisher not identified], [date of publication not identified]
Buku Teks