Philipp Strazny, editor
Fitzroy Dearborn, 2005
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. Motley and David L. Bongard
Brassey's, 1993
Buku Referensi
Americana Corporation, 1960
Buku Referensi
editor Frank N. Magill
Toppan Company, 1996
Buku Referensi