Philippines. National Tax Research Center. (1973). A Compilation of taxes, fees, charges and duties on selected Philippine export products. The Center.
芝加哥风格引文Philippines. National Tax Research Center. A Compilation of Taxes, Fees, Charges and Duties on Selected Philippine Export Products. [Manila: The Center, 1973.
MLA引文Philippines. National Tax Research Center. A Compilation of Taxes, Fees, Charges and Duties on Selected Philippine Export Products. The Center, 1973.
警告：这些引文格式不一定是100％准确.