APA (7th ed.) Citation

Philippines, Nolledo, M., & Nolledo, J. N. (1991). The national internal revenue code of the Philippines (15th and rev. ed.). National Book Store.

Chicago Style (17th ed.) Citation

Philippines, Mercedita-Santiago Nolledo, and Jose N. Nolledo. The National Internal Revenue Code of the Philippines. 15th and rev. ed. Metro Manila: National Book Store, 1991.

MLA (9th ed.) Citation

Philippines, et al. The National Internal Revenue Code of the Philippines. 15th and rev. ed. National Book Store, 1991.