Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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.