| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Voice into Acting | 978-1-4O81-8356-4 (1-4O81-8356-O) | 2014 |
C. G. · Christa Gutzmann · Christian Gatzen · Christian GOTTGNADE · Christian Gutknecht · Christoph Gutknecht · Christopher Gudgeon · Christopher Gutknecht