Federal tax policy
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Washington, D.C.
          Brookings Institution
    
        c1983. | 
| Rhifyn: | 4th ed. | 
| Cyfres: | Studies of government
              Second series | 
| Pynciau: |