Philippines (Republic). Bureau of Internal Revenue. (1957). Primer on business and occupation taxes. National Media Production Center.
Cita Chicago Style (17a ed.)Philippines (Republic). Bureau of Internal Revenue. Primer on Business and Occupation Taxes. [Manila]: National Media Production Center, 1957.
Cita MLA (9a ed.)Philippines (Republic). Bureau of Internal Revenue. Primer on Business and Occupation Taxes. National Media Production Center, 1957.
Precaución: Estas citas no son 100% exactas.