Cambridge University Press · Klett
| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Business Communication Instructor's Manual | 978-0-521-65750-1 | 1998 | |
| Business Communication: International Case Studies in English | 978-0-521-65751-8 | 1998 | |
| Business Communications, Student's Book | 978-3-12-539655-5 | 2000 | |
| English for International Negotiations: A Cross-Cultural Case Study Approach | 978-0-521-65749-5 | 1998 | |
| English for International Negotiations. A Cross-Cultural Case Study Approach: English for International Negotiations, Student's Book | 978-3-12-539651-7 | 2000 | |
| English for International Negotiations Instructor's Manual: A Cross-Cultural Case Study Approach | 978-0-521-65748-8 | 1998 |