Philippines (Republic) Bureau of Internal Revenue & Philippines (Republic). Bureau of Internal Revenue. Income tax primer. National Media Production Center.
Lua i Stíl Chicago (17ú heag.)Philippines (Republic) Bureau of Internal Revenue agus Philippines (Republic). Bureau of Internal Revenue. Income Tax Primer. [Manila: National Media Production Center.
Lua MLA (9ú heag.)Philippines (Republic) Bureau of Internal Revenue agus Philippines (Republic). Bureau of Internal Revenue. Income Tax Primer. National Media Production Center.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.