| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A Spanish Grammar Workbook | Paperback | 978-0-631-22848-6 (0-631-22848-9) | 2002 | |
| En Activo: Practical Business Spanish | Hardcover | 978-1-138-13843-8 (1-138-13843-6) | 2015 | Helen Jones |
| En Activo: Practical Business Spanish | Paperback | 978-0-415-40885-1 (0-415-40885-7) | 2008 | |