edited by John Zumerchik
MacMillan Library Reference USA, 1997
Buku Referensi
William Bright, editor-in-chief
Oxford University Press, 1992
Buku Referensi
editor Frank N. Magill
Toppan Company, 1996
Buku Referensi
editor, David L. Sills
Macmillan Co. & The Free Press, 1968
Buku Referensi
editor-in-chief, Trevor N. Dupuy, Franklin D. Margiotta, James B. Montley, David L. Bongard
Brassey's, 1993
Buku Referensi