توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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.