edited by Ejup N. Ganic, Tyler G. Hicks
McGraw-Hill, 1991
Buku Teks
edited by J.R. Landon
Longman Scientific & Technical, 1984
Buku Referensi
Eddelson, Michael, author
Oxford University Press, 1999
Buku Referensi
David Linden, editor in chief
McGraw-Hill, 1995
Buku Referensi
Korean Overseas Information Service, 1993
Buku Referensi