Philippines. Tariff and customs code (1982). (1989). Tariff and customs code of the Philippines. Philippine Tariff Commission.
Cita Chicago (17th ed.)Philippines. Tariff and customs code (1982). Tariff and Customs Code of the Philippines. Quezon City: Philippine Tariff Commission, 1989.
Cita MLA (9th ed.)Philippines. Tariff and customs code (1982). Tariff and Customs Code of the Philippines. Philippine Tariff Commission, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.