Style de citation APA (7e éd.)

De Leon, H. S. (1994). The National Internal Revenue Code annotated: P.D. no. 1158, as amended (5th ed.). Published & distributed by Rex Book Store.

Style de citation Chicago (17e éd.)

De Leon, Hector S. The National Internal Revenue Code Annotated: P.D. No. 1158, as Amended. 5th ed. Manila, Philippines: Published & distributed by Rex Book Store, 1994.

Style de citation MLA (9e éd.)

De Leon, Hector S. The National Internal Revenue Code Annotated: P.D. No. 1158, as Amended. 5th ed. Published & distributed by Rex Book Store, 1994.