| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Soft Law Internationale | 978-83-905379-3-1 (83-905379-3-1) | 2004 |
| Soft law internationale | 978-83-905379-8-6 (83-905379-8-2) | 2004 |
Peter Danzeisen · Peter Dencik · Peter Dönges · Péter Domokos · Petra Dünges · Piotr Dankowski