1
2
Mayer, Kenneth R
| W.W. Norton |
1997
3
Burns, James MacGregor
| Prentice Hall |
1998
4
McKenna, George.
| The Dushkin Publishing Group |
1990
7
Wolfinger, Raymond E.
| Prentice-Hall |
1976
8
Wolfinger, Raymond E.
| Prentice-Hall |
1976