| 其他書名 | Twenty-fifth Annual Pacific Northwest Regional Economic Conference : "The Pacific Northwest: 25 Years Retrospective and Prospective" : May 2-4, 1991, Portland, Oregon |
| 出版 | Pacific Northwest Regional Economic Conference and The Northwest Policy Center, University of Washington, 1991 |
| URL | http://books.google.com.hk/books?id=W558njz91uQC&hl=&source=gbs_api |