1
Candace S. Bos,Sharon Vaughn
| Pearson |
2006
2
Jack C. Richards
| Cambridge University Press |
1999
3
Jack C.Richards/Jonathan Hull/Susan Proctor
| Cambridge University Press |
1995
4
Holly Deemer Rogerson/Suzanne T.Hershelman/Carol J
| University of Michigan Press |
1992
6
Kayfetz, Janet L.
| Heinle & Heinle Publishers |
1992