Wild, John J., author
Prentice-Hall, 2003
Buku Teks
Richman, Barry M.
McGraw-Hill, 1972
Buku Teks
Black, Robert
The Conference Board , 1978
Buku Teks
Sanyal, Rajib N., author
Prentice-Hall, 2001
Buku Teks
Daniels, John D., author
Addison-Wesley, 1982
Buku Teks