| 其他書名 | A Study of Year-round and Seasonal Homeowners in Residential Areas Nearby Three National Forests -- San Bernardino National Forest, California; Grand Mesa, Uncompahgre and Gunnison, Colorado; And, Apalachicola National Forest, Florida : Management Report |
| 出版 | Department of Park, Recreation and Tourism Resources, College of Agriculture and Natural Resources, Michigan State University, 2004 |
| URL | http://books.google.com.hk/books?id=0LMsAQAAMAAJ&hl=&source=gbs_api |