Cita APA (7th ed.)

Ordono, E. O. (1913). Revenue regulations updated: A comprehensive update of internal regulations from 1913 to 1984. St. Paul Print.

Cita Chicago (17th ed.)

Ordono, Eustaquio O. Revenue Regulations Updated: A Comprehensive Update of Internal Regulations from 1913 to 1984. Makati: St. Paul Print, 1913.

Cita MLA (9th ed.)

Ordono, Eustaquio O. Revenue Regulations Updated: A Comprehensive Update of Internal Regulations from 1913 to 1984. St. Paul Print, 1913.