American English File Second Edition: Level 4 Workbook: with iChecker
| Country | USA |
| Brand | Oxford University Press, USA |
| Manufacturer | Oxford University Press |
| Binding | Paperback |
| ItemPartNumber | 23288796 |
| Warranty | No |
| UnitCount | 1 |
| EANs | 9780194776189 |
| ReleaseDate | 0000-00-00 |