| title | media type | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|---|
| Swahili Grammar and Workbook | Hardcover | 978-1-138-80825-6 (1-138-80825-3) | 2014 | |
| Swahili Grammar and Workbook | Paperback | 978-1-138-80826-3 (1-138-80826-1) | 2014 | |
| Swahili phonology reconsidered in a diachronical perspective: the impact of stress on morphonemics and syllable structure | Taschenbuch | 978-3-927620-38-4 (3-927620-38-6) | 1995 |