| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Towards a Biolinguistic Understanding of Grammar: Essays on interfaces | 978-90-272-5577-8 (90-272-5577-6) | 2012 |
| UG and External Systems: Language, brain and computation | 978-1-58811-623-9 (1-58811-623-9) | 2005 |
| UG and External Systems: Language, brain and computation | 978-90-272-2799-7 (90-272-2799-3) | 2005 |