Continuum · John Benjamins Publishing Company
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Corpus Linguistics and World Englishes: An Analysis of Xhosa English | 978-1-4411-8655-3 (1-4411-8655-7) | 2010 |
| Focus on South Africa | 978-90-272-4873-2 (90-272-4873-7) | 1996 |