1
2
Paul, Rhea.
| Mosby/Elsevier |
2017
3
Kuder, S. Jay.
| Pearson |
2013
7
Larson, Richard K
| Cambridge University Press |
2010
8
9
Celce-Murcia, Marianne
| Heinle Cengage Learning |
2014
10
Vinson, Betsy Partin.
| Delmar Cengage Learning |
2012