(1999). GSIS reperts P 17.99 - B income. Manila Bulletin.
Chicago Style (17th ed.) Citation"GSIS Reperts P 17.99 - B Income." Manila Bulletin 1999.
MLA引文"GSIS Reperts P 17.99 - B Income." Manila Bulletin, 1999.
警告：這些引文格式不一定是100％准確.
APA引文