| 其他書名 | Production Adjustment, Price Support, Commodity Operations, Export Activities, Conservation, and Land Use |
| 出版 | U.S. Department of Agriculture, Foreign Agricultural Service, 1969 |
| URL | http://books.google.com.hk/books?id=Amfh_QbL6tMC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |