Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.