| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| NLP w cwiczeniach | 978-83-7788-375-4 (83-7788-375-9) | 2014 |
| Secrets of the Nlp Masters 50 Tech | 978-1-4736-0013-3 (1-4736-0013-8) | 2014 |
| Self Esteem Workbook Ty Ebk Epb | 978-1-4441-8191-3 (1-4441-8191-2) | 2013 |
Edgard · Hodder & Stoughton · Teach Yourself