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