| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Success with BEC - Preliminary - Set mit Student's Book und Workbook | 978-3-526-51356-8 | 2010 | Mara Pedretti · Helen Stephenson | |
| Success with BEC - Preliminary - Student´s Book | 978-3-526-51330-8 | 2008 | Mara Pedretti | |
| Success with BEC - Preliminary - Teacher´s Book mit Audio-CDs | 978-3-526-51332-2 | 2008 | " | |
| Success with BEC Preliminary, Teacher's Book mit 2 Audio-CDs | 978-3-85272-865-0 | " | ||
| Success with BEC Preliminary - Teacher's Book: The New Business English Certificates | 978-1-902741-94-9 | 2008 | " | |
| Success with BEC Preliminary: The New Business English Certificates Course: Preliminary Students Book | 978-1-902741-80-2 | 2008 | Mara Pedretti · Helen Stephenson | |
| Total Business 1 | 978-0-462-09861-6 | 2009 | Mara Pedretti · Helen Stephenson | |
| Total Business 1 Workbook with Key | 978-0-462-09862-3 | 2009 | Mara Pedretti |
Helbling · Langenscheidt ELT · Marshall Cavendish