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.

Philippines (Republic). Bureau of Internal Revenue, Santiago M. Gapultos, and 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.

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.