| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Leadership and Negotiation in the European Union | Paperback | 978-0-521-68303-6 | 2006 | |
| Leadership and Negotiation in the European Union | Hardcover | 978-0-521-86452-7 | 2006 | |
| The Opening Up of International Organizations | Paperback | 978-1-107-64079-5 | 2013 | |
| The Opening Up of International Organizations: Transnational Access in Global Governance | Hardcover | 978-1-107-04223-0 | 2013 | Thomas Sommerer · Theresa Squatrito · Christer Jönsson |