1
Shipley, Roger R.
| Harper & Row |
1980
2
Cohen, Dorothy.
| Random House Business Division |
1981
3
Sternthal, Brian.
| Prentice-Hall |
1982
8
Sikorsky, Robert.
| TAB Books |
1990
9
Loudon, David L.
| McGraw-Hill |
1993
10
Douglas, Mary.
| Routledge |
1996