Philippines (Republic). Bureau of Internal Revenue. Procedure in handling and processing of income tax returns in regional offices. s.n.
Chicago Style (17th ed.) CitationPhilippines (Republic). Bureau of Internal Revenue. Procedure in Handling and Processing of Income Tax Returns in Regional Offices. [Manila: s.n.
MLA (9th ed.) CitationPhilippines (Republic). Bureau of Internal Revenue. Procedure in Handling and Processing of Income Tax Returns in Regional Offices. s.n.
Warning: These citations may not always be 100% accurate.