| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| The Foreign Policy of the European Union | Hardcover | 978-1-137-02575-3 | 2014 | Stephan Keukeleire | |
| The Foreign Policy of the European Union | Paperback | 978-1-137-02574-6 | 2013 | " | |
| The Principal Agent Model and the European Union | Taschenbuch | 978-3-319-85576-9 | 2018 | Johan Adriaensen | |
| The Principal Agent Model and the European Union | Gebunden | 978-3-319-55136-4 | 2017 | " |