| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Iso 14001: Case Studies and Practical Experiences | 978-1-874719-27-4 (1-874719-27-6) | 2000 |
| The CBI Environmental Management Handbook: Challenges for Business | 978-1-138-42420-3 (1-138-42420-X) | 2017 |
R. H. · Rita Haller · Ruth, Dr. Hillary · Ruth Heller · Ruth Helyer