| 其他書名 | A Guide to the Planning, Design Operation, and Maintenance of Recreational Areas |
| 出版 | U.S. Department of Health, Education, and Welfare, Public Health Service, Division of Environmental Engineering and Food Protection, Special Engineering Services Branch, 1965 |
| URL | http://books.google.com.hk/books?id=O0JlLAf22icC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |