American Institute of Banking, 1962
Buku Teks
Cleese, John
BBC Worldwide Limited, 2003
Multimedia
Paradis, Adrian A., author
Julian Messner , 1964
Buku Teks
Handlin, Oscar, author
An Atlantic Monthly Press Book, 1973
Buku Teks
Roland, Charles P.
McGraw-Hill, 1991
Buku Teks