M.E · M. Epler · M W · M. Wood
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Ecotourism: Principles, Practices and Policies for Sustainability | 978-92-807-2064-8 (92-807-2064-3) | 2002 |
| Sustainable Tourism on a Finite Planet | 978-1-138-21761-4 (1-138-21761-1) | 2017 |