APA-referens (7:e uppl.)

(1992). "An act amending pertinent provisions of the National Internal Revenue Code, as amended relative to the final withholding tax on purely compensation income.". Kaqgawaran ng Pananalapi.

Chicago-referens (17:e uppl.)

"An Act Amending Pertinent Provisions of the National Internal Revenue Code, as Amended Relative to the Final Withholding Tax on Purely Compensation Income.". Quezon City: Kaqgawaran ng Pananalapi, 1992.

MLA-referens (9:e uppl.)

"An Act Amending Pertinent Provisions of the National Internal Revenue Code, as Amended Relative to the Final Withholding Tax on Purely Compensation Income.". Kaqgawaran ng Pananalapi, 1992.