| 其他書名 | Role Conflicts, Constraints, and Information Gaps |
| 出版 | U.S. Department of Justice, Law Enforcement Assistance Administration, Office of Juvenile Justice and Delinquency Prevention, 1980 |
| URL | http://books.google.com.hk/books?id=1Yy9-ZXJE_YC&hl=&source=gbs_api |