(1997). Implementing rules and regulations of the Government Service Insurance System Act of 1997. Philippine Star.
Chicago Style (17. basım) Atıf"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star 1997.
MLA (9th ed.) Atıf"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..