| 其他書名 | In Print and on Call from the Economic Research Service and National Agricultural Statistics Service |
| 出版 | U.S. Department of Agriculture, Economic Research Service, 1988 |
| URL | http://books.google.com.hk/books?id=tapq81oIcLsC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |