| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Agent z pasja | 978-83-7301-797-9 (83-7301-797-6) | 2007 | |
| Budowanie zespolu z pasja | 978-83-7510-000-6 (83-7510-000-5) | 2006 | Carol A. McKenzie |
| Menedzer z pasja | 978-83-7301-798-6 (83-7301-798-4) | 2006 | |