| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Zoos in the 21st Century: Catalysts for Conservation? | 978-0-521-61858-8 (0-521-61858-4) | 2007 | Matthew Hatchwell · Lesley Dickie · Chris West |
| Zoos in the 21st Century: Catalysts for Conservation | 978-0-521-85333-0 (0-521-85333-8) | 2007 | Matthew Hatchwell · Lesley Dickie · Chris West |