Cambridge University Press · Klett
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Business Roles 1: 12 Simulations for Business English: Bk.2 | 978-0-521-46953-1 (0-521-46953-8) | 1997 | |
| Business Roles 2 Copy masters: Simulations for Business English | 978-0-521-64849-3 (0-521-64849-1) | 1999 | |
| Business Roles, Vol.2 | 978-3-12-533109-9 (3-12-533109-9) | 1999 |
C.A. · J. A. · J C · John A. · John C. · John Crowther