D.C. · Daniel Considine · Daniel Constantini
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Asertywnosc krok po kroku | 978-83-7442-517-9 (83-7442-517-2) | 2007 | Windy Dryden |
| Assertiveness Step by Step | 978-0-85969-925-9 (0-85969-925-0) | 2004 | " |