Pore, L. (1999). BIR plans electronic filing of tax returns. Manila Times.
Dyfyniad Arddull ChicagoPore, Lyra. "BIR Plans Electronic Filing of Tax Returns." Manila Times 1999.
Dyfyniad MLAPore, Lyra. "BIR Plans Electronic Filing of Tax Returns." Manila Times, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.