| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Fluency Practice Tchrs | 978-0-521-27131-8 (0-521-27131-2) | Mary Newton Bruder | |
| Speaking Naturally: Communication Skills in American English: Cassette Set | 978-0-521-25007-8 (0-521-25007-2) | 1985 | " |
| Speaking Naturally Student's book: Communication Skills in American English | 978-0-521-27130-1 (0-521-27130-4) | 1985 | " |