Cita APA (7th ed.)

Philippines, Nolledo, J. N., & Nolledo, M. S. (1990). The national internal revenue code of the Philippines annotated (14th and rev. ed.). National Book Store.

Cita Chicago (17th ed.)

Philippines, Jose N. Nolledo, i Mercedita Santiago Nolledo. The National Internal Revenue Code of the Philippines Annotated. 14th and rev. ed. Metro Manila: National Book Store, 1990.

Cita MLA (9th ed.)

Philippines, et al. The National Internal Revenue Code of the Philippines Annotated. 14th and rev. ed. National Book Store, 1990.