For argument's sake a guide to writing effective arguments
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
HarperCollins College Publishers
c1996.
|
| Rhifyn: | 2nd ed. |
| Cyfres: | 000000
|
| Pynciau: |