The Flag and Heraldic code of the Philippines illustrated rules and regulations implementing Republic Act No. 8491.
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Manila
National Historical Institute
c2008.
|
| Rhifyn: | 4th ed. |
| Pynciau: |


