McCormick, Donald, 1911-, author
Facts on File, 1990
Buku Teks
edited and translated by Tai-jin Kim
Asiatic Research Center, Korea University, 1976
Buku Referensi
Jeffree, Dorothy Moud, 1913-, author
Souvenir Press, 1994
Buku Teks
Howlin, Patricia, author
John Wiley & Sons, 1999
Buku Referensi
Bowker, 1991
Buku Referensi