(1997). Implementing rules and regulations of the government service insurance system act of 1997. Manila Bulletin.
Chicago (17e ed.) Bronvermelding"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Manila Bulletin 1997.
MLA (9e ed.) Bronvermelding"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Manila Bulletin, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.