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
Brownlee, E. Richard, author
McGraw-Hill, 2001
Buku Teks
Brown, Lawrence D., author
Business Publications, 1987
Buku Teks