APA (7th ed.) Citation

Central Book Supply & Philippines. Laws, statutes, etc. (1976). The national internal revenue code as amended up to Pres. decree no. 937. Central Book Supply.

Chicago Style (17th ed.) Citation

Central Book Supply and statutes Philippines. Laws. The National Internal Revenue Code as Amended Up to Pres. Decree No. 937. Manila: Central Book Supply, 1976.

MLA (9th ed.) Citation

Central Book Supply and statutes Philippines. Laws. The National Internal Revenue Code as Amended Up to Pres. Decree No. 937. Central Book Supply, 1976.

Warning: These citations may not always be 100% accurate.