Philippines, Rex Book Store. Editorial Staff, & Salao, E. C. (2009). The National internal revenue code of the Philippines: Pres. Decree No. 1158 as amended up to R.A. No. 9504 (3rd ed.). Rex Book Store.
Chicago Style (17th ed.) CitationPhilippines, Rex Book Store. Editorial Staff, and Ernesto C. Salao. The National Internal Revenue Code of the Philippines: Pres. Decree No. 1158 as Amended Up to R.A. No. 9504. 3rd ed. Manila: Rex Book Store, 2009.
MLA (9th ed.) CitationPhilippines, et al. The National Internal Revenue Code of the Philippines: Pres. Decree No. 1158 as Amended Up to R.A. No. 9504. 3rd ed. Rex Book Store, 2009.
Warning: These citations may not always be 100% accurate.