German Foundation for International Development, Philippines National Tax Research Center, Study Group on Asian Tax Administration and Research, & Taxation and Customs Cooperation Conference. (1978). Highlights of position papers on tax administration: SGATAR, TCCC, GFID. NTRC.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)German Foundation for International Development, Philippines National Tax Research Center, Study Group on Asian Tax Administration and Research, و Taxation and Customs Cooperation Conference. Highlights of Position Papers on Tax Administration: SGATAR, TCCC, GFID. Manila: NTRC, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)German Foundation for International Development, et al. Highlights of Position Papers on Tax Administration: SGATAR, TCCC, GFID. NTRC, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.