Alexander, David, author
Chapman & Hall, 1991
Buku Teks
Winston, Kwok Chee Chiu, author
pearson Prentice Hall, 2007
Buku Teks
Elliott, Barry, author
Prentice Hall, Financial Times, 2008
Buku Teks
Brownlee, E. Richard, author
McGraw-Hill, 2001
Buku Teks
Hawkins, David F., author
Dow Jones/Irwin, 1972
Buku Teks