| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Natural Language Processing and Computational Linguistics 2: Semantics, Discourse and Applications | 978-1-84821-921-2 (1-84821-921-0) | 2017 |
| Natural Language Processing and Computational Linguistics: Speech, Morphology and Syntax | 978-1-84821-848-2 (1-84821-848-6) | 2016 |