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.
Chicago (17e ed.) BronvermeldingPhilippines (Republic). Bureau of Internal Revenue, Santiago M. Gapultos, en 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.
MLA (9e ed.) BronvermeldingPhilippines (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.