Brigham, Eugene F., 1930-, author
The Dryden Press, 1991
Buku Teks
Burch, John G., author
John Wiley & Sons, [date of publication not identified]
Buku Teks
Beckman, Theodore N., author
McGraw-Hill , 1949
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1935
Buku Teks
Jane Picford, editor
Cavendish Publishing , 2000
Buku Teks