APA (7 ম সংস্করণ) উদ্ধৃতি

Philippines. National Historical Institute. (2002). The Flag and heraldic code of the Philippines illustrated: Rules and regulations implementing Republic Act No. 8491. National Historical Institute.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. Manila: National Historical Institute, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Philippines. National Historical Institute. The Flag and Heraldic Code of the Philippines Illustrated: Rules and Regulations Implementing Republic Act No. 8491. National Historical Institute, 2002.