| 其他書名 | Report Delivered at the VIIth Congress of the International Federation of Settlements and Neighborhood Centers, Berlin, July 30th-August 2nd, 1956 |
| 出版 | Centro di Sociologia della Cooperazione, 1956 |
| URL | http://books.google.com.hk/books?id=fo5rGwAACAAJ&hl=&source=gbs_api |