Nolledo, J. N., & Nolledo, M. S. (1981). The National Internal Revenue Code of the Philippines annotated (1981 8th and rev. ed.). National Book Store.
Cita Chicago Style (17a ed.)Nolledo, Jose N., y Mercedita Santiago- Nolledo. The National Internal Revenue Code of the Philippines Annotated. 1981 8th and rev. ed. [Manila, Philippines]: National Book Store, 1981.
Cita MLA (9a ed.)Nolledo, Jose N., y Mercedita Santiago- Nolledo. The National Internal Revenue Code of the Philippines Annotated. 1981 8th and rev. ed. National Book Store, 1981.
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