Cita APA (7th ed.)

(1997). Implementing rules and regulations of the government service insurance system act of 1997. Manila Bulletin.

Cita Chicago (17th ed.)

"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Manila Bulletin 1997.

Cita MLA (9th ed.)

"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Manila Bulletin, 1997.