Business letters and communications
| Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Alexander Hamilton Institute
1977, c1967
|
| Cyfres: | Modern business ; v. 14
|
| Pynciau: |