| 其他書名 | Supplementary report. Population and land area of urbanized areas for the United States and Puerto Rico, 1980 and 1970 |
| 出版 | U.S. Department of Commerce, Bureau of the Census, 1984 |
| URL | http://books.google.com.hk/books?id=1POLyWar1YYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |