Cita APA

Philippines & Philippines. National Historical Institute. (2008). The Flag and Heraldic code of the Philippines illustrated: Rules and regulations implementing Republic Act No. 8491 (4th ed.). National Historical Institute.

Citación estilo Chicago

Philippines and Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. 4th ed. Manila: National Historical Institute, 2008.

Cita MLA

Philippines and Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. 4th ed. National Historical Institute, 2008.