Allyn and Bacon · Prentice Hall
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Speaking Globally Audio Tape | 978-0-13-460361-2 (0-13-460361-3) | 1996 | Crristine Root |
| Speaking Globally: English in an International Context | 978-0-205-15600-9 (0-205-15600-2) | 1995 | Christine Root · Root · Grohe |