| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2017 | 978-0-9956893-1-2 | Chris Kent | 21st Century Marketing: What it is, Why it matters and How to do it: How to Generate Word of Mouth in the Digital Age |
| '' | 978-0-9956893-3-6 | Chris Kent | 21st Century Marketing:What it is, why it matters and how to do it: How to Generate Word of Mouth in the Digital Age (B&W) |