Citazione Stile APA (7a Edizione)

Gonzales, E. G., & Robledo-Gonzales, C. M. (1990). National Internal Revenue Code (1990 rev. ed.). Published & distributed by Rex Book Store.

Citazione stile Chigago Style (17a edizione)

Gonzales, Epifanio G., e Celestina M. Robledo-Gonzales. National Internal Revenue Code. 1990 rev. ed. Manila: Published & distributed by Rex Book Store, 1990.

Citatione MLA (9a ed.)

Gonzales, Epifanio G., e Celestina M. Robledo-Gonzales. National Internal Revenue Code. 1990 rev. ed. Published & distributed by Rex Book Store, 1990.