The world of difference international distribution of information
| Príomhchruthaitheoir: | |
|---|---|
| Rannpháirtithe: | |
| Formáid: | LEABHAR | 
| Teanga: | English | 
| Foilsithe / Cruthaithe: | Paris
          Unesco Press
    
        [1983n]. | 
| Sraith: | Communication and society
              no. 15 | 
| Ábhair: |