Apostolicum · Pontificia Univ. Gregoriana
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ewangelia i kultury: Od Leona XIII do Jana Pawla II | 978-83-7031-017-2 (83-7031-017-6) | 1990 |
| Higher education facing new cultures | 978-88-7652-483-7 (88-7652-483-5) | 1982 |