11
Howatt, Anthony P. R.
| Oxford University Press |
1984
12
Hawkins, Keith.
| Clarendon Press:Oxford University Press |
1984
13
Stern, H. H.
| Oxford University Press |
1983
14
Brumfit, Christopher.
| Oxford University Press |
1979
15
Widdowson, H. G.
| Oxford University Press |
1978
16
Conron, John,
| Oxford University Press |
1973