| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| African American Vernacular English | 978-3-638-74737-0 (3-638-74737-9) | 2007 |
| The American way of comedy - A comprehensive analysis of humor on the basis of the US sitcom 'Friends' | 978-3-638-81853-7 (3-638-81853-5) | 2007 |
| The use of code-switching, code-mixing and accomodation | 978-3-638-75503-0 (3-638-75503-7) | 2013 |