No Starch Press · Wolters Kluwer
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Friends with Benefits: A Social Media Marketing Handbook | 978-1-59327-199-2 (1-59327-199-9) | 2009 | Julie Szabo |
| Znajomi na wage zlota | 978-83-264-3379-5 (83-264-3379-9) | 2014 | " |