| 其他書名 | An Analysis of Differentials by Family Income, Education, Marital Status, Usual Activity Status, Occupation, and Industry |
| 出版 | U.S. Department of Health, Education, and Welfare, Public Health Service, 1966 |
| URL | http://books.google.com.hk/books?id=oaiIAQAACAAJ&hl=&source=gbs_api |