APA (7th ed.) Citation

Duncano, D. A. (2009). National Internal Revenue Code of 1997. National Book Store.

Chicago Style (17th ed.) Citation

Duncano, Danilo A. National Internal Revenue Code of 1997. Mandaluyong City: National Book Store, 2009.

MLA (9th ed.) Citation

Duncano, Danilo A. National Internal Revenue Code of 1997. National Book Store, 2009.

Warning: These citations may not always be 100% accurate.