O's · Owsiak Stanislaw Czekaj Jan · Stanislaw Owsiak
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Finanse | 978-83-208-2179-6 (83-208-2179-7) | 2015 |
| Finanse publiczne Teoria i praktyka | 978-83-01-15732-6 (83-01-15732-1) | 2008 |
| Finanse publiczne Teoria i praktyka | 978-83-01-14411-1 (83-01-14411-4) | 2005 |