APA (7th ed.) Citation

Philippines & Nolledo, J. N. (1986). The National internal revenue code of the Philippines as amended by PD No. 1991, No. 1994, No. 2006, No. 2007, No. 2009, and No. 2031 (Rev. ed.). Rex Book Store.

Chicago Style (17th ed.) Citation

Philippines and Jose N. Nolledo. The National Internal Revenue Code of the Philippines as Amended by PD No. 1991, No. 1994, No. 2006, No. 2007, No. 2009, and No. 2031. Rev. ed. Manila: Rex Book Store, 1986.

MLA (9th ed.) Citation

Philippines and Jose N. Nolledo. The National Internal Revenue Code of the Philippines as Amended by PD No. 1991, No. 1994, No. 2006, No. 2007, No. 2009, and No. 2031. Rev. ed. Rex Book Store, 1986.