| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Airfares - BBC Disk | 978-0-273-02899-4 (0-273-02899-5) | 1988 | David Golby · Alan Richards |
| Airfares - Rm Nimbus Disk | 978-0-273-02935-9 (0-273-02935-5) | 1988 | David Golby · Alan Richards |
| Managerial Economics | 978-0-435-84540-7 (0-435-84540-3) | 1982 | |