41
Eva Marie Sakmar
| North Light Books |
1987
42
Frederick A. Jakobiec/jesse Sigelman
| W.B. Saunders company |
1984
46
Jay Rose
| Focal Press |
2015
48
Marianne Celce-Murcia/Sharon Hilles
| Oxfored University Press |
1988
49
Meggs, Philip B.
| RC Publications:distributed by North Light Books |
2000
50
Michael Freeman
| Focal Press |
2007