| 其他書名 | Proceedings of the 20th Symposium of the European Association of Agricultural Economists (EAAE), July 1989, Newcastle Upon Tyne |
| 出版 | Department of Agricultural Economics and Food Marketing, the University of Newcastle upon Tyne, 1990 |
| URL | http://books.google.com.hk/books?id=Q9Uz0AEACAAJ&hl=&source=gbs_api |