The flag and heraldic code of the Philippines illustrated rules and regulations implementing Republic Act No. 8491.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Manila
National Historical Institute
2006.
|
| Rhifyn: | Third edition. |
| Pynciau: |