| 其他書名 | A Guide to Organized Research in Employment Management, Industrial Relations, Training, and Working Conditions |
| 出版 | U.S. Government Printing Office, 1921 |
| URL | http://books.google.com.hk/books?id=iu1CAAAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |