| 其他書名 | An Investigation of Two Types of Instrument, Physical and Financial, and a Study of Their Application to Local Problems of Unemployment |
| 出版 | Gower, 1982 |
| ISBN | 05660060819780566006081 |
| URL | http://books.google.com.hk/books?id=hP9wMAEACAAJ&hl=&source=gbs_api |