Choe Sang-su
Seomun-dang, 1983
Buku Teks
Walsh, William S., author
Philadelphia, J.B. Lippincott
Buku Referensi
Dubois, Abbe J.A., author
The Clarendon Press, 1897
Buku Teks
Kightly, Charles, author
Thames and Hudson, 1986
Buku Referensi
Tun, Li-Chen
Buku Teks