Gonzales, E. G., & Robledo-Gonzales, C. M. (1997). National internal revenue code of 1977, with annotations and implementing regulations (Rev. ed.). Rex Book Store.
Chicagoスタイル(17版)引用形式Gonzales, Epifanio G., , Celestina M. Robledo-Gonzales. National Internal Revenue Code of 1977, with Annotations and Implementing Regulations. Rev. ed. Manila: Rex Book Store, 1997.
MLA(9版)引用形式Gonzales, Epifanio G., , Celestina M. Robledo-Gonzales. National Internal Revenue Code of 1977, with Annotations and Implementing Regulations. Rev. ed. Rex Book Store, 1997.
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