P. Hughes · R. Hughes · Rebecca Hughes
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Exploring Grammar in Context: Upper-intermediate and Advanced | 978-0-521-56844-9 (0-521-56844-7) | 2000 | Ronald Carter · Michael McCarthy |
| Exploring Grammar in Writing | 978-0-521-66994-8 (0-521-66994-4) | 2005 | |