Philippines. (1988). The national internal revenue code of the Philippines (Presidential Decree No. 1158) as amended. Rex Book Store.
Chicago Style (17. basım) AtıfPhilippines. The National Internal Revenue Code of the Philippines (Presidential Decree No. 1158) as Amended. Manila: Rex Book Store, 1988.
MLA (9th ed.) AtıfPhilippines. The National Internal Revenue Code of the Philippines (Presidential Decree No. 1158) as Amended. Rex Book Store, 1988.
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