Philippines (Republic). Bureau of Internal Revenue, Gapultos, S. M., & Mamangun, M. C. (1969). BIR schedule of compromises, offenses and penalties on the violations of the National Internal Revenue Code: Comp. by Santiago M. Gapultos ; ed. by Marina C. Mamangun. DM Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines (Republic). Bureau of Internal Revenue, Santiago M. Gapultos, و Marina C. Mamangun. BIR Schedule of Compromises, Offenses and Penalties on the Violations of the National Internal Revenue Code: Comp. by Santiago M. Gapultos ; Ed. by Marina C. Mamangun. [Quezon City: DM Press, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines (Republic). Bureau of Internal Revenue, et al. BIR Schedule of Compromises, Offenses and Penalties on the Violations of the National Internal Revenue Code: Comp. by Santiago M. Gapultos ; Ed. by Marina C. Mamangun. DM Press, 1969.