APA (7th ed.) Citation

Philippines & Gonzales, E. G. (1986). National internal revenue code (Rev. ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

Philippines and Epifanio G. Gonzales. National Internal Revenue Code. Rev. ed. Manila: Rex Book Store, 1986.

MLA (9th ed.) Citation

Philippines and Epifanio G. Gonzales. National Internal Revenue Code. Rev. ed. Rex Book Store, 1986.