Essentials of human communication
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Boston
          Allyn and Bacon
    
        c2008. | 
| Rhifyn: | 6th ed. | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Boston
          Allyn and Bacon
    
        c2008. | 
| Rhifyn: | 6th ed. | 
| Pynciau: |