D G · D. Gowlett · Derek et al Gowlett
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Speak Zulu With Us | 978-0-620-24427-5 (0-620-24427-5) | 1999 | Khethiwe Ngwenya |
| Speak Zulu with Us: Intermediate to Advanced | 978-0-620-27725-9 (0-620-27725-4) | 2001 | " |