| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gielda i psychologia | 978-83-7556-O73-2 (83-7556-O73-1) | 2011 |
Peter Zallinger · Peter Zeilinger · Peter Zeillinger · Peter Zelenka · Peter Zielinski · Peter Zlonicky · Peter Zolling · Piotr Zielinski · Zielonka Piotr