The Flag and Heraldic code of the Philippines illustrated rules and regulations implementing Republic Act No. 8491.

Xehetasun bibliografikoak
Egile korporatiboa: Philippines, Philippines. National Historical Institute
Formatua: Liburua
Hizkuntza:English
Argitaratua: Manila National Historical Institute c2008.
Edizioa:4th ed.
Gaiak: