Philippines. National Historical Institute. (2006). The flag and heraldic code of the Philippines illustrated: Rules and regulations implementing Republic Act No. 8491 (Third edition.). National Historical Institute.
Style de citation Chicago (17e éd.)Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. Third edition. Manila: National Historical Institute, 2006.
Style de citation MLA (9e éd.)Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. Third edition. National Historical Institute, 2006.
Attention : ces citations peuvent ne pas être correctes à 100%.