Guidelines for writers of letters, themes, memorandums, pamphlets, news stories, minutes of meetings, reports, and books
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Cyhoeddwyd: |
[Quezon City
New Day Pubs.
c1981.
|
| Rhifyn: | 2nd ed. |
| Pynciau: |