Philippines. National Tax Research Center. (1973). A Compilation of taxes, fees, charges and duties on selected Philippine export products. The Center.
Cita Chicago (17th ed.)Philippines. National Tax Research Center. A Compilation of Taxes, Fees, Charges and Duties on Selected Philippine Export Products. [Manila: The Center, 1973.
Cita MLA (9th ed.)Philippines. National Tax Research Center. A Compilation of Taxes, Fees, Charges and Duties on Selected Philippine Export Products. The Center, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.