H.G. · H. Gray · K. Gray · K. H.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to Pass National 5 German | 978-1-4718-4321-1 (1-4718-4321-1) | 2015 |
| How to Pass National 5 German | 978-1-4718-4323-5 (1-4718-4323-8) | 2015 |
| How to Pass National 5 German: Second Edition | 978-1-5104-2093-9 (1-5104-2093-2) | 2018 |