| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Keep Talking: Communicative Fluency Activities for Language Teaching | Paperback | 978-0-521-27871-3 (0-521-27871-6) | 1985 |
| Keep Talking: Communicative Fluency Activities for Language Teaching | Hardcover | 978-0-521-26232-3 (0-521-26232-1) |
D.F. · D.K · D Klippel · Dr. K. · F K · F. Klippel · Friederike Klippel · P.F. · P.K.