Calimag, M. G. (2003). BIR sets lofty target for e-filing tax system. Manila Times.
Cita Chicago (17th ed.)Calimag, Melvin G. "BIR Sets Lofty Target for E-filing Tax System." Manila Times 2003.
Cita MLA (9th ed.)Calimag, Melvin G. "BIR Sets Lofty Target for E-filing Tax System." Manila Times, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.