Citação norma APA

Philippines. Laws, statutes, etc, & De Leon, H. S. (1975). The national internal revenue code annotated: As amended up to Pres. Decree No. 820. National Book Store.

Citação norma Chicago

Philippines. Laws, statutes, etc, and Hector S. De Leon. The National Internal Revenue Code Annotated: As Amended Up to Pres. Decree No. 820. Manila: National Book Store, 1975.

Citação norma MLA

Philippines. Laws, statutes, etc, and Hector S. De Leon. The National Internal Revenue Code Annotated: As Amended Up to Pres. Decree No. 820. National Book Store, 1975.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.