APA aipamena

Philippines National Historical Institute. (2006). The Flag and heraldic code of the Philippines illustrated: Rules and regulations implementing Republic Act No. 8491 (3rd ed.). National Historical Institute.

Chicago Style aipamena

Philippines National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. 3rd ed. Manila: National Historical Institute, 2006.

MLA aipamena

Philippines National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. 3rd ed. National Historical Institute, 2006.