S H · S. Harris · Suzanne Harris Sankowsky · Suzanne W Harris
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cambridge for DGB Level 4 Student's Pack | 978-1-108-73968-9 (1-108-73968-7) | 2018 |
| Cambridge for DGB Level 4 Teacher's Edition with Class Audio CD and Teacher's Resource DVD ROM | 978-1-108-60875-6 (1-108-60875-2) | 2018 |