Philippines. National Tax Research Center. (1980). Primer on the Philippine individual income tax. NTRC.
Chicago Style (17th ed.) CitationPhilippines. National Tax Research Center. Primer on the Philippine Individual Income Tax. [Manila]: NTRC, 1980.
MLA (9th ed.) CitationPhilippines. National Tax Research Center. Primer on the Philippine Individual Income Tax. NTRC, 1980.
Warning: These citations may not always be 100% accurate.