APA-referens (7:e uppl.)

Aralar, R. B. (2004). Basic taxation with the National Internal Revenue Code of 1997 (in the Tax Reform Act of 1997, R.A. 8424, as amended up to R.A. 9224). National Book Store.

Chicago-referens (17:e uppl.)

Aralar, Reynaldo B. Basic Taxation with the National Internal Revenue Code of 1997 (in the Tax Reform Act of 1997, R.A. 8424, as Amended Up to R.A. 9224). Mandaluyong City: National Book Store, 2004.

MLA-referens (9:e uppl.)

Aralar, Reynaldo B. Basic Taxation with the National Internal Revenue Code of 1997 (in the Tax Reform Act of 1997, R.A. 8424, as Amended Up to R.A. 9224). National Book Store, 2004.