| 其他書名 | A Study of Racial Policies in Five Industries, by Herbert R. Northrup [and] Richard L. Rowan. Darold T. Barnum and John C. Howard, Research Associates |
| 出版 | Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania, 1970 |
| ISBN | 08122762489780812276244 |
| URL | http://books.google.com.hk/books?id=yyC3AAAAIAAJ&hl=&source=gbs_api |