J.S. · J. Schmidt · Jennifer Schmidt · L. Schmidt · P. Schmidt
Addison-Wesley · Prentice Hall
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Northstar: Focus on Listening and Speaking, Intermediate Second Edition | 978-0-201-75570-1 (0-201-75570-X) | 2003 | Helen Solorzano |
| NorthStar Intermediate Listening and Speaking, Second Edition | 978-0-13-143913-9 (0-13-143913-8) | 2003 | Helen S. Solorzano |
| NorthStar Listening/Speaking 2 SB with Audio | 978-0-13-183624-2 (0-13-183624-2) | 2003 | Helen Solorzano · Jennifer Schmidt |