Pietrowicz Krzysztof Stankiewicz Piotr · Piotr Stankiewicz · S. P. · Stankiewicz Piotr Pietrowicz Krzysztof
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Elementarz | 978-83-63906-07-8 (83-63906-07-7) | 2013 |
| Sztuka zycia wedlug stoików | 978-83-280-0905-9 (83-280-0905-6) | 2014 |