1982
Buku Teks
Hammond, P. (Percy), author
Pergamon Press, 1986
Buku Teks
Matheson, Robert
Comstock Publishing Company, Inc., 1951
Buku Teks
Park, Ki-Dawk, author
Min Eum Sa, 993
Buku Teks
Lukoff, Fred, author
Korea Yonsei University Press, 1988
Buku Teks