| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Government-Opposition in Southern European Countries during the Economic Crisis: Great Recession, Great Cooperation? | 978-0-415-81752-3 (0-415-81752-8) | 2015 | Catherine Moury |
| Opposition Parties in European Legislatures: Conflict or Consensus? | 978-1-138-67487-5 (1-138-67487-7) | 2018 | Gabriella Ilonszki |