Philippines. National Tax Research Center & Study Group on Asian Tax Administration and Research. (1982). Tax administration procedures of selected countries in Asia and the Pacific: A project of the Study Group on Asian Tax Administration and Research (SGATAR). NTRC.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. National Tax Research Center و Study Group on Asian Tax Administration and Research. Tax Administration Procedures of Selected Countries in Asia and the Pacific: A Project of the Study Group on Asian Tax Administration and Research (SGATAR). [Manila]: NTRC, 1982.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. National Tax Research Center و Study Group on Asian Tax Administration and Research. Tax Administration Procedures of Selected Countries in Asia and the Pacific: A Project of the Study Group on Asian Tax Administration and Research (SGATAR). NTRC, 1982.