| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Digital Marketing Divide: Reconciling Data-Driven and Creative Marketing Styles | 978-1-119-O23O9-8 (1-119-O23O9-2) |
Eric Walker · Eric Walser · Erik Wahlgren · Erik Walker · Erika Wailzer · Erika Walker · Erika Welkerling