| 其他書名 | Reasons for Use and Non-use of a Management-union Sponsored Recreational Facility |
| 出版 | U.S. Department of Health, Education, and Welfare, Social and Rehabilitation Service, Administration on Aging, 1970 |
| URL | http://books.google.com.hk/books?id=nppqAAAAMAAJ&hl=&source=gbs_api |