| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Contract Law in Poland | 978-90-411-8904-2 (90-411-8904-1) | 2017 | Piotr Machnikowski · Justyna Balcarczyk |
| Contract Law in Poland | 978-90-411-3396-0 (90-411-3396-8) | 2011 | Piotr Machnikowski · Justyna Balcarczyk |
| Wlasnosc zabytkow | 978-83-7483-113-0 (83-7483-113-8) | 2006 | |