Nolledo, J. N., & Nolledo, M. S. (1981). The National Internal Revenue Code of the Philippines annotated (1981 9th and rev. ed.). National Book Store.
Cita Chicago (17th ed.)Nolledo, Jose N., i Mercedita Santiago- Nolledo. The National Internal Revenue Code of the Philippines Annotated. 1981 9th and rev. ed. [Manila, Philipines]: National Book Store, 1981.
Cita MLA (9th ed.)Nolledo, Jose N., i Mercedita Santiago- Nolledo. The National Internal Revenue Code of the Philippines Annotated. 1981 9th and rev. ed. National Book Store, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.