2
Katz, Michael Jay,
| Yale University Press |
1985
3
Bly, Robert W.
| McGraw-Hill |
1982
4
Huckin, Thomas N.
| McGraw-Hill |
1983
5
Pauley, Steven E.
| Houghton Mifflin |
1973
6
Mancuso, Joseph C.
| Addison-Wesley |
1990