(1997). Implementing rules and regulations of the Government Service Insurance System Act of 1997. Philippine Star.
Chicago Style (17th ed.) Citation"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star 1997.
MLA引文"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star, 1997.
警告：這些引文格式不一定是100％准確.