| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Impact Listening 3 | Audio CD | 978-962-00-5144-9 (962-00-5144-0) | 2002 | Kenton Harsch |
| Impact Listening 3 | Paperback | 978-962-00-5135-7 (962-00-5135-1) | 2001 | " |
| Second Language Development in Writing: Measures of Fluency, Accuracy, and Complexity | " | 978-0-8248-2069-5 (0-8248-2069-X) | 1998 | |