3
5
Diane Larsen-Freeman
| Oxford University Press |
1986
6
Michael H.Long/Jack C.Richards
| Heinle & Heinle Publishers |
1987
7
Marianne Celce-Murcia/Sharon Hilles
| Oxfored University Press |
1988
10
Azar, Betty Schrampfer
| Prentice Hall Regents |
1989