(1997). Implementing rules and regulations of the Government Service Insurance System Act of 1997. Philippine Star.
Citação norma Chicago"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star 1997.
Citação norma MLA"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.