Cita APA (7th ed.)

Philippines. Laws, statutes, etc, & Pinpin, F. D. (1978). The national internal revenue code of 1977: P.D. no. 1158. Cacho Hermanos.

Cita Chicago (17th ed.)

Philippines. Laws, statutes, etc, i Felipe D. Pinpin. The National Internal Revenue Code of 1977: P.D. No. 1158. Mandaluyong: Cacho Hermanos, 1978.

Cita MLA (9th ed.)

Philippines. Laws, statutes, etc, i Felipe D. Pinpin. The National Internal Revenue Code of 1977: P.D. No. 1158. Cacho Hermanos, 1978.