De Dios, L. (1986). Non-tariff measures affecting Philippine imports. Tariff Commission.
Cita Chicago (17th ed.)De Dios, Loreli. Non-tariff Measures Affecting Philippine Imports. [Quezon City: Tariff Commission, 1986.
Cita MLA (9th ed.)De Dios, Loreli. Non-tariff Measures Affecting Philippine Imports. Tariff Commission, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.