| 其他書名 | Designation and Management of Park and Wilderness Reserves, Held During the 4th World Wilderness Congress, 10-18 September 1987, Colorado, USA |
| 出版 | International Wilderness Leadership (WILD) Foundation, 1992 |
| URL | http://books.google.com.hk/books?id=0cMsAQAAMAAJ&hl=&source=gbs_api |