Pore, L. (1999). BIR plans electronic filing of tax returns. Manila Times.
Cita Chicago (17th ed.)Pore, Lyra. "BIR Plans Electronic Filing of Tax Returns." Manila Times 1999.
Cita MLA (9th ed.)Pore, Lyra. "BIR Plans Electronic Filing of Tax Returns." Manila Times, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.