Artikel Jurnal
edited by David Ewen
Random House, 1966
Buku Teks
Dong-A, author
Dong A Chul Pansa, [date of publication not identified]
Buku Referensi
compiled and edited By David Ewen
H.W. Wilson, 1962
Buku Teks
Ewen, David, author
H.W. Wilson, 1962
Buku Teks