APA-viite (7. p.)

Gruba, L. K. (2019). A survey of the amendments introduced by TRAIN Law (R.A. 10963) to the National Internal Revenue Code of 1997. Rex Book Store.

Chicago-viite (17. p.)

Gruba, Lily K. A Survey of the Amendments Introduced by TRAIN Law (R.A. 10963) to the National Internal Revenue Code of 1997. Manila: Rex Book Store, 2019.

MLA-viite (9. p.)

Gruba, Lily K. A Survey of the Amendments Introduced by TRAIN Law (R.A. 10963) to the National Internal Revenue Code of 1997. Rex Book Store, 2019.