| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Penguin Companion to European Union | 978-0-14-026879-9 (0-14-026879-0) | 1998 | Timothy Bainbridge |
| The Penguin Companion to European Union: Fourth edition | 978-0-14-102118-8 (0-14-102118-7) | 2012 | " |
| The Penguin Companion To European Union: Third Edition | 978-0-14-100769-4 (0-14-100769-9) | 2002 | " |