Philippines (Republic) Bureau of Internal Revenue & Philippines (Republic). Bureau of Internal Revenue. Income tax primer. National Media Production Center.
Cita Chicago (17th ed.)Philippines (Republic) Bureau of Internal Revenue i Philippines (Republic). Bureau of Internal Revenue. Income Tax Primer. [Manila: National Media Production Center.
Cita MLA (9th ed.)Philippines (Republic) Bureau of Internal Revenue i Philippines (Republic). Bureau of Internal Revenue. Income Tax Primer. National Media Production Center.
Atenció: Aquestes cites poden no estar 100% correctes.