Forsyth, Frederick, 1938-
The deceiver
Bantam Books, 1995
 Buku Teks
McCormick, Donald, 1911-
Spy fiction a connoisseur's guide
Facts on File, 1990
 Buku Teks
Forsyth, Frederick, 1938-
Sang perlambang = Icon
Gramedia Pustaka Utama, 1999
 Buku Teks
Horowitz, Anthony, 1955-
Skeleton key
Walker Books, 2015
 Buku Teks
Langman, Larry
Encyclopedia of American spy films
Garland Pub, 1990
 Buku Referensi