APA-referens (7:e uppl.)

Philippines (Republic). Bureau of Internal Revenue & Philippines (Republic). (1960). National internal revenue code: Commonwealth Act no. 466 as amended up to June, 1957 (In force and effect July 1, 1939). Bureau of Printing.

Chicago-referens (17:e uppl.)

Philippines (Republic). Bureau of Internal Revenue och Philippines (Republic). National Internal Revenue Code: Commonwealth Act No. 466 as Amended Up to June, 1957 (In Force and Effect July 1, 1939). Manila: Bureau of Printing, 1960.

MLA-referens (9:e uppl.)

Philippines (Republic). Bureau of Internal Revenue och Philippines (Republic). National Internal Revenue Code: Commonwealth Act No. 466 as Amended Up to June, 1957 (In Force and Effect July 1, 1939). Bureau of Printing, 1960.