Selected test items in American government
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington
National Council for the Social Studies
1950.
|
| Rhifyn: | Rev. ed. |
| Cyfres: | National Council for the Social Studies, Bulletin no. 13. rev. ed.
|