| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| The 2004 Elections to the European Parliament | Hardcover | 978-1-4039-3517-5 | 2005 |
| The 2004 Elections to the European Parliament | Paperback | 978-1-4039-3518-2 | 2005 |
| The European Union | Hardcover | 978-0-7456-2713-7 | 2014 |
| The European Union | Paperback | 978-0-7456-2714-4 | 2014 |
| The Threat Of Terrorism: Combating Political Violence In Europe | Hardcover | 978-0-367-29659-9 | 2019 |
Palgrave Macmillan · Polity Press · Routledge