| 其他書名 | A selection of official and departmental publications relating to the environment, 1971-1981 |
| 出版 | Departments of the Environment and Transport, 1981 |
| ISBN | 07184019729780718401979 |
| URL | http://books.google.com.hk/books?id=xCVYAQAACAAJ&hl=&source=gbs_api |