| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Cooperative Learning and Communicative Competence: Applied Linguistics, English Language teaching | 978-3-8443-8077-4 (3-8443-8077-9) | 2011 |
| ORAL QUESTIONS INSIDE THE CLASSROOM: Applied Linguistics. English Language Teaching | 978-3-8383-5650-1 (3-8383-5650-0) | 2010 |