| 其他書名 | A Case Study of New Castle County, Delaware |
| 出版 | University of Delaware Agricultural Experiment Station, 1962 |
| 主題 | Business & Economics / Economics / General |
| ISBN | 05987302229780598730220 |
| URL | http://books.google.com.hk/books?id=bxiO6WOtKXMC&hl=&source=gbs_api |