(1997). Implementing rules and regulations of the Government Service Insurance System Act of 1997. Philippine Star.
Chicago-Zitierstil (17. Ausg.)"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star 1997.
MLA-Zitierstil (9. Ausg.)"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Star, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.